Ngwa ngwa mba SCXI-1313A Mgbochi njedebe
Ozi ngwaahịa
Ihe mgbochi SCXI-1313A bụ ngwa njikọ mgbama nke ezubere ka ejiri modul SCXI-1125 mee ihe. Ọ gụnyere skru 18 maka njikọ mgbama dị mfe. Otu ụzọ screw ọnụ na-ejikọta na ala chassis SCXI-1125 ebe ụzọ asatọ nke screw terminal na-ejikọta akara na ntinye analog asatọ ahụ. Ihe mgbochi njedebe na-agụnye ihe mkpuchi ala nchekwa na ihe mgbochi nsogbu nke na-enyere aka ịchekwa wires mgbaàmà. Ngwa ngwa mba mebere ngwaahịa a yana dakọtara na ngwaike na ngwa ngwa dị iche iche.
Ntuziaka ojiji ngwaahịa
Tupu iji SCXI-1313A Terminal Block, hụ na ị nwere ihe ndị a:
- Ngwaike (SCXI-1313A Terminal Block, SCXI-1125 modul, wdg)
- Ngwa (screwdriver, waya ewepụsị, wdg)
- Akwụkwọ (SCXI-1313A Ntuzi nwụnye nkwụsị njedebe)
Iji jikọọ mgbaama na ngọngọ ọnụ, soro usoro ndị a:
- Rụtụ aka na Gụọ M Mbụ: Safety na Redio-ugboro akwụkwọ nnyonye anya tupu iwepu ihe mkpuchi akụrụngwa ma ọ bụ jikọọ ma ọ bụ kwụpụ wires mgbaàmà ọ bụla.
- Kpochapụ ihe mkpuchi mkpuchi elu ma wepụ ihe mkpuchi elu.
- Tọpụ skru-na-enye aka ma wepụ ihe mgbochi ahụ.
- Kwadebe waya mgbaàmà site n'iwepụ ihe mkpuchi ahụ karịa 7 mm (0.28 in.).
- Gbaa wires mgbaàmà site na oghere enyemaka enyemaka. Ọ bụrụ na ọ dị mkpa, gbakwunye ihe mkpuchi ma ọ bụ padding.
- Jikọọ wires mgbaama na njedebe ịghasa kwesịrị ekwesị na ngọngọ njedebe, na-ezo aka na ọnụ ọgụgụ 1 na 2 na ntuziaka nwụnye maka enyemaka.
- Chekwaa waya mgbaama site na iji ogwe enyemaka na skru.
- Dochie mkpuchi elu ma mee ka kposara mkpuchi dị n'elu sie ike.
Rịba ama na ekwesịrị ịkpachara anya mgbe ị na-ejikwa ma ọ bụ na-ejikọta wires mgbaàmà ọ bụla, yana na ekwesịrị ịkpachapụ anya nchekwa kwesịrị ekwesị dịka akwụkwọ Gụọ M Mbụ: Safety and Radio-frequency nnyonye anya akwụkwọ.
Ntuziaka a na-akọwa otu esi etinye na iji SCXI-1313A njedebe na modul SCXI-1125. A na-echebe ngọngọ ọnụ SCXI-1313A ma nwee ọdụ mkpọsa nke na-enye njikọ ntinye maka SCXI-1125. Ọwa ọ bụla SCXI-1313A nwere nkenke 100:1 resistive voltage nkesa nke ị nwere ike iji tụọ voltages nke ruru 150 Vrms ma ọ bụ ± 150 VDC. Ị nwere ike n'otu n'otu gafere ndị a voltage nkesa maka obere-voltage nha ngwa. Ihe mgbochi ọnụ nwere ọdụ skru 18 maka njikọ mgbaama dị mfe. Otu ụzọ skru ọnụ na-ejikọ na ala chassis SCXI-1125. Abụọ ụzọ asatọ fọdụrụnụ nke skru terminal jikọtara akara na ntinye analọgụ asatọ ahụ.
Mgbakọ
A na-eji ogbako ndị a na ntuziaka a: Akara a na-eduga gị site na ihe nchịkọta nhọrọ na nhọrọ igbe okwu gaa na mmemme ikpeazụ. Usoro File"Ntọala ibe"Nhọrọ na-eduzi gị ịkwatu ya File menu, họrọ ihe Ntọala Ibe, wee họrọ Nhọrọ site na igbe okwu ikpeazụ. Akara ngosi a na-egosi ndetu, nke na-eme ka ị mara ozi dị mkpa. Akara ngosi a na-egosi ịkpachara anya, nke na-adụ ọdụ ka ị kpachara anya ka ị zere mmerụ ahụ, mfu data, ma ọ bụ mkpọka sistemụ. Mgbe akara akara a na ngwaahịa, rụtụ aka na Gụọ M Mbụ: Nchekwa na nnyonye anya ugboro ugboro maka ozi gbasara ịkpachara anya ị ga-eme. Mgbe akara na ngwaahịa, ọ na-egosi ịdọ aka ná ntị na-adụ gị ọdụ ka ị kpachapụ anya ka ịzenarị ujo eletrik. Mgbe akara akara na ngwaahịa, ọ na-egosi akụkụ nwere ike ịdị ọkụ. Imetụ akụrụngwa a nwere ike ibute mmerụ ahụ.
- ederede obi ike na-egosi ihe ị ga-ahọrọrịrị ma ọ bụ pịa na ngwanrọ, dị ka ihe nchịkọta nhọrọ na nhọrọ igbe okwu. Ederede siri ike na-egosipụtakwa aha oke.
- Ederede italic na-egosi mgbanwe dị iche iche, mesiri ike, ntụaka obe, ma ọ bụ mmalite nke echiche isi. Ederede Italic na-egosikwa ederede bụ ebe nchekwa maka okwu ma ọ bụ uru ị ga-eburịrị.
- Ederede monospace dị na mkpụrụedemede a na-egosi ederede ma ọ bụ mkpụrụedemede ị kwesịrị itinye na ahụigodo, akụkụ nke koodu, mmemme ex.amples, na syntax examples. A na-ejikwa font a maka aha draịva diski kwesịrị ekwesị, ụzọ, akwụkwọ ndekọ aha, mmemme, mmemme subprogram, subroutines, aha ngwaọrụ, ọrụ, arụmọrụ, mgbanwe, fileaha, na ndọtị.
- Ederede italic monospace n'ụdị mkpụrụedemede a na-egosi ederede bụ ihe ndobere okwu ma ọ bụ uru ị ga-eburịrị.
Ihe Ị Kwesịrị Ịmalite
Iji hazie na iji SCXI-1313A ngọngọ ngọngọ, ị ga-achọ ihe ndị a:
- Akụrụngwa
- SCXI-1313A ngọngọ ngọngọ
- SCXI-1125 modul
- chassis ngwakọta SCXI ma ọ bụ PXI/SCXI
- Cable na sensọ dị ka achọrọ maka ngwa gị
- Ngwa
- Nọmba 1 na 2 Phillips-head screwdrivers
- 1/8 inch. flathead screwdriver
- Mpempe imi ogologo
- Waya cutter
- Ihe mgbochi eriri waya
- Akwụkwọ
- Ntuziaka nwụnye nkwụsị SCXI-1313A
- Gụọ m nke mbụ: Nchekwa na nnyonye anya ugboro redio
- Ntuziaka mmalite DAQ
- Ntuziaka mmalite ngwa ngwa SCXI
- Akwụkwọ ntuziaka onye ọrụ SCXI-1125
- Akwụkwọ ntuziaka onye ọrụ chassis SCXI ma ọ bụ PXI/SCXI chassis
Ijikọ akara
Rịba ama Rụtụ aka na Gụọ M Mbụ: Safety na Redio-ugboro akwụkwọ nnyonye anya tupu iwepu ihe mkpuchi akụrụngwa ma ọ bụ jikọọ ma ọ bụ kwụpụ wires mgbaàmà ọ bụla.
Iji jikọọ mgbaama na ngọngọ njedebe, rụtụ aka na onyonyo 1 na 2 ka ị na-emecha usoro ndị a:
- Ihe mkpuchi mkpuchi kacha elu
- Ihe mkpuchi kachasị
- Mkpuchi Mgbochi ọnụ
- Isi mkpịsị aka (2)
- Njikọ azụ
- Board sekit
- Nchekwa-ala Lug
- Mgbakwụnye bọọdụ sekit
- Ogwe Enyemaka strain-Relief
- Ihe mgbagha-enye aka
Eserese akụkụ SCXI-1313A
- Kpochapụ ihe mkpuchi mkpuchi elu ma wepụ ihe mkpuchi elu.
- Tọpụ skru-na-enye aka ma wepụ ihe mgbochi ahụ.
- Kwadebe waya mgbaàmà site n'iwepụ ihe mkpuchi ahụ karịa 7 mm (0.28 in.).
- Gbaa wires mgbaàmà site na oghere enyemaka enyemaka. Ọ bụrụ na ọ dị mkpa, gbakwunye ihe mkpuchi ma ọ bụ padding.
- Fanye ngwụcha nke waya mgbaama ahụ nke ọma n'ime ọnụ. Gbaa mbọ hụ na ọ nweghị waya ekpughere gafere n'ọnụ ọnụ nke skru. Waya ekpughere na-abawanye ohere nke obere sekit nke nwere ike ibute ọdịda sekit
- Nọmba usoro n'usoro
- Nọmba Mgbakọ na Akwụkwọ Ndozigharị
- Relays iji mee ma ọ bụ gafere Attenuator (ebe 8)
- Chassis Ground Terminal (ebe 2)
- Aha ngwaahịa
- Onye na-ekpo ọkụ
- Screw Terminal (ebe iri na isii)
- Ịkpọ aha ọwa (ebe 8)
- Voltage Nkesa (ebe 8)
- Mechie skru ọnụ ka ọ bụrụ 0.57 ruo 0.79 N ⋅ m (5 ruo 7 lb - in.).
- Tinyegharịa ogwe ihe enyemaka nsogbu ma mee ka skru nke enyemaka ahụ sie ike.
- Tinyegharịa mkpuchi elu ma mee ka kposara mkpuchi dị n'elu sie ike.
- Tinye SCXI-1313A na SCXI-1125 site na iji mkpịsị mkpịsị aka.
- Rụtụ aka na ntuziaka mmalite ngwa ngwa SCXI maka ike na chassis SCXI wee hazie sistemụ na ngwanrọ.
Rịba ama Maka ezi nkwụghachi ụgwọ nkwụsị oyi, dowe chassis pụọ na oke okpomọkụ dị iche
Na-ahazi High-Voltagna Attenuator
Ọwa ọ bụla nwere 100: 1 elu-voltagna attenuator. Iji mee ka ma ọ bụ gbanyụọ attenuator, gbanwee ntọala nhazi ndabere maka SCXI-1313A na Measurement & Automation Explorer (MAX) ma ọ bụ gbanwee oke ntinye n'ime ngwa gị. Mgbe ị na-eji ọwa mebere, a na-eji oke ntinye ahaziri na nhazi ọwa mebere iji tọọ sekit attenuation nke ọma. Rịba ama SCXI-1313 bụ onye nrụpụta maka SCXI-1313 na SCXI-1313A na MAX na NI-DAQ. Nhazi EEPROM dị na SCXI-1313A na-echekwa ngbanwe ngbanwe nke na-enye ụkpụrụ mmezi ngwanrọ. Akụrụngwa mmepe ngwa na-eji ụkpụrụ ndị a emezi nha maka mperi uru na sekit attenuation.
| N'ozuzu Nweta |
N'ozuzu Voltage Oke1 |
Modul Nweta | Ọnụ Mgbochi uru |
| 0.02 | ± 150 Vrms ma ọ bụ ± 150 VDC | 2 | 0.01 |
| 0.05 | ± 100 Velu ma ọ bụ ± 100 VDC | 5 | 0.01 |
| 0.1 | ± 50 Velu ma ọ bụ ± 50 VDC | 10 | 0.01 |
| 0.2 | ± 25 Vpeak ma ọ bụ ± 25 VDC | 20 | 0.01 |
| 0.5 | ± 10 Velu ma ọ bụ ± 10 VDC | 50 | 0.01 |
| 1 | ± 5 Velu ma ọ bụ ± 5 VDC | 1 | 1 |
| 2 | ± 2.5 Vpeak ma ọ bụ ± 2.5 VDC | 2 | 1 |
| 2.5 | ± 2 Vpeak ma ọ bụ ± 2 VDC | 250 | 0.01 |
| 5 | ± 1 Velu ma ọ bụ ± 1 VDC | 5 | 1 |
| 10 | ± 500 mVelu ma ọ bụ ± 500 mVDC | 10 | 1 |
| 20 | ± 250 mVpeak ma ọ bụ ± 250 mVDC | 20 | 1 |
| 50 | ± 100 mVelu ma ọ bụ ± 100 mVDC | 50 | 1 |
| 100 | ± 50 mVelu ma ọ bụ ± 50 mVDC | 100 | 1 |
| 200 | ± 25 mVpeak ma ọ bụ ± 25 mVDC | 200 | 1 |
| 250 | ± 20 mVelu ma ọ bụ ± 20 mVDC | 250 | 1 |
| N'ozuzu Nweta |
N'ozuzu Voltage Oke1 |
Modul Nweta | Ọnụ Mgbochi uru |
| 500 | ± 10 mVelu ma ọ bụ ± 10 mVDC | 500 | 1 |
| 1000 | ± 5 mVelu ma ọ bụ ± 5 mVDC | 1000 | 1 |
| 2000 | ± 2.5 mVpeak ma ọ bụ ± 2.5 mVDC | 2000 | 1 |
| 1 Tụtụ aka na Nkọwapụta ngalaba maka oke ntinye. | |||
Na-emezi ngọngọ Terminal
Imirikiti akwụkwọ mmezi mpụta maka ngwaahịa SCXI dị maka nbudata na ni.com/calibration site na ịpị Usoro nhazi akwụkwọ ntuziaka. Maka nzizi nke ngwaahịa na-edepụtaghị ebe ahụ, a na-atụ aro ọrụ nhazi calibration ma ọ bụ ọrụ calibration zuru ezu. Ị nwere ike nweta ozi gbasara ọrụ nhazi abụọ a na ni.com/calibration. NI na-atụ aro ka ị na-eme nhazigharị mpụga otu ugboro n'afọ.
Mmepụta ihe mmetụta okpomọkụ yana izi ezi
Ihe mmetụta okpomọkụ SCXI-1313A na-ewepụta 1.91 ruo 0.65 V site na 0 ruo 50 Celsius.
Na-atụgharị Thermistor Voltage ruo okpomọkụ
Ngwa NI software nwere ike ịtụgharị thermistor voltage na thermistor okpomọkụ maka eserese sekit egosiri na eserese 3. Na LabVIEW, Ị nwere ike iji Convert Thermistor Reading VI dị na Data Nnweta»Signal Conditioning palette. Ọ bụrụ na ị na-eji CVI ma ọ bụ NI-DAQmx, jiri ọrụ Thermistor_Convert. VI na-ewe mmepụta voltage nke ihe mmetụta okpomọkụ, ntụaka voltage, na nkenke nguzogide ma weghachi okpomọkụ thermistor. N'aka nke ọzọ, ịnwere ike iji usoro ndị a: T(°C) = TK - 273.15
Ebe TK bụ okpomọkụ na Kelvin
- a = 1.295361 × 10–3
- b = 2.343159 × 10–4
- c = 1.018703 × 10–7
RT = iguzogide thermistor na ohms
VTEMPOUT = mmepụta voltage nke ihe mmetụta okpomọkụ
ebe T (°F) na T (°C) bụ ọgụgụ okpomọkụ na ogo Fahrenheit na ogo Celsius, n'otu n'otu. Rịba ama Jiri nkezi nke ọnụ ọgụgụ buru ibu nke sampka inweta ọgụgụ kacha zie ezi. Gburugburu mkpọtụ chọrọ karịa samples maka ukwuu izi ezi.
Ịgụ ihe mmetụta okpomọkụ na ụlọ nyochaVIEW
Na ụlọ nyochaVIEW, ka ịgụọ VTEMPOUT, jiri NI-DAQmx jiri eriri na-esonụ: SC(x) Mod(y)/_cjTemp Iji gụọ VTEMPOUT na omenala NI-DAQ (Legacy), jiri eriri adreesị: obx ! nke ọma! mz ! cjtemp Ị nwere ike ịnwe eriri-adreesị ọwa a n'otu usoro eriri ọwa dị ka ọwa ndị ọzọ n'otu modul SCXI-1125 wee kpọọ ya ọtụtụ oge n'ime otu usoro eriri ọwa. Maka ozi ndị ọzọ gbasara usoro eriri ọwa yana syntax na-agwa ọwa SCXI, hụ LabVIEW Akwụkwọ ntuziaka
Eserese okirikiri ihe mmetụta okpomọkụ
Ịkwesighi ịgụ akụkụ a iji rụọ ọrụ SCXI-1313A. Eserese sekit dị na eserese 3 bụ ozi nhọrọ ị nwere ike iji ma ọ bụrụ na ịchọrọ nkọwa ndị ọzọ gbasara ihe mmetụta okpomọkụ SCXI-1313A.
Nkọwapụta
Nkọwapụta niile na-ahụkarị na 25 Celsius ma ọ bụrụ na akọwapụtara ya ọzọ.
- Oke ntinye ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….150 Vrms ma ọ bụ VDC
- Ụdị nledo……………………………….CAT II
- Ọwa ntinye ………………………………………………….8
Ihe mmetụta oyi-njikọ
- Ụdị sensọ …………………………………………………………………………………………
- Nkezi
- Nkwaghari………………………………±0.2 °C site na 15 ruo 35 Celsius
- Mmepụta ......................................1.91 na 0.65 site na 0 ruo 50 Celsius C
- Oke gradient okpomọkụ n'etiti ihe mmetụta na ọnụ ọ bụla…. ±0.4 Celsius C (na-abụghị isothermal) High-voltage nkesa
- Izi ezi ………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… ±0.06% (maka ntọala 100:1)
- Akwụkwọ ………………………………………………………… 15 ppm/°C
- Nguzogide ………………………………………… 1 MΩ
- Oke nlegharị anya………………………………………. 100:1 ma ọ bụ 1:1 dabere na mmemme
Mwepu-ụkpụrụ nkịtị
- Ọwa ka ọwa…………………………. 150 Vrms ma ọ bụ ± 150 VDC
- Ọwa ruo n'ala……………………………… 150 Vrms ma ọ bụ ± 150 VDC
- Njikọta …………………………………………………………………
Njikọ-wiring ubi Screw ọnụ
- Ọnụ nrịbama …………………………………. 16 (akụkụ abụọ 8)
- Ọnụ ala ala na-arụ ọrụ…. 2
- Ihe nlele waya kacha elu……………………… 16 AWG
- Ọpụpụ ọnụ ………………………… 0.5 cm (0.2 in.) etiti ruo etiti
- Akụkụ nke ọnụ ụzọ ihu………. 1.2 × 7.3 cm (0.47 × 2.87 inch.)
Ihe eji eme ihe maka
- ihe mgbakwunye ……………………………….. Ọ nweghị
- Ugbo ala nchekwa nchekwa ………………………… 1
- Ihe mgbakasị ahụ………………………………………. Ogwe enyemaka enyemaka na
- ọnụ ụzọ mgbochi ọnụ
- Kachasị arụ ọrụ voltage……………………………… 150 V
Anụ ahụ
Ibu……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… 408 g (14.4 oz)
gburugburu
- Okpomọkụ na-arụ ọrụ ………………………………………………….0 ruo 50 Celsius
- Okpomọkụ nchekwa ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………su -20 ~ 70C
- Iru mmiri………………………………………………………………………………………
- Oke kacha elu………………………………………..2,000 mita
- Degree mmetọ (naanị ime ụlọ) ……..2
Nchekwa
Emebere ngwaahịa a iji mezuo ihe achọrọ nke ụkpụrụ nchekwa ndị a maka akụrụngwa eletrik maka nha, njikwa na ojiji ụlọ nyocha:
- IEC 61010-1, EN 61010-1
- UL 61010-1, CSA 61010-1
Mara Maka UL na asambodo nchekwa ndị ọzọ, rụtụ aka na akara ngwaahịa ma ọ bụ gaa na asambodo ni.com/, chọọ site na nọmba nlereanya ma ọ bụ ahịrị ngwaahịa, wee pịa njikọ dabara adaba na kọlụm asambodo.
Ndakọrịta elektrọnik
Emebere ngwaahịa a iji mezuo ihe achọrọ nke ụkpụrụ EMC ndị a maka akụrụngwa eletrik maka nha, njikwa na ojiji ụlọ nyocha:
- EN 61326 EMC chọrọ; Ihe mgbochi kacha nta
- EN 55011 Mgbapụta; Otu 1, Klas A
- CE, C-Tick, ICES, na FCC Nkebi 15 Mgbapụta; Klas A
Mara Maka nnabata EMC, rụọ ọrụ a dịka akwụkwọ ngwaahịa siri dị.
Nkwekọrịta CE
Ngwaahịa a na-emezu ihe achọrọ dị mkpa nke ntuziaka European, dị ka emezigharịrị maka akara CE, dị ka ndị a:
- 2006/95/EC; Obere-Voltage Ntuziaka (nchekwa)
- 2004/108/EC; Ntuziaka ndakọrịta elektrọnik (EMC)
Mara Rụtụ aka na Nkwuwapụta Nkwekọrịta (DoC) maka ngwaahịa a maka ozi nnabata usoro iwu ọ bụla. Iji nweta DoC maka ngwaahịa a, gaa na ni.com/ certification, chọọ site na nọmba nlereanya ma ọ bụ ahịrị ngwaahịa, wee pịa njikọ kwesịrị ekwesị na kọlụm Asambodo.
Nlekọta gburugburu ebe obibi
Ngwa ngwa mba na-agba mbọ n'ichepụta na imepụta ngwaahịa n'ụzọ kwesịrị ekwesị na gburugburu ebe obibi. NI ghọtara na iwepụ ụfọdụ ihe ndị dị ize ndụ na ngwaahịa anyị bara uru ọ bụghị naanị na gburugburu ebe obibi kamakwa ndị ahịa NI. Maka ozi gbasara gburugburu ebe obibi ndị ọzọ, rụtụ aka na NI na Environment Web ibe na ni.com/environment. Ibe a nwere ụkpụrụ gburugburu ebe obibi na ntụzịaka nke NI na-akwado, yana ozi gburugburu ebe obibi ọ bụla adịghị etinye n'ime akwụkwọ a.
Ngwa eletriki na eletrọnịkị na-ekpofu ihe (WEEE)
Ndị ahịa EU N'ọgwụgwụ nke usoro ndụ ha, a ga-ezigarịrị ngwaahịa niile na ebe a na-emegharịgharị WEEE. Maka ozi ndị ọzọ gbasara WEEE recycling centers na National Instruments WEEE atumatu, gaa na ni.com/environment/weee.htm.
Ngwa ngwa mba, NI, ni.com, na LabVIEW bụ ụghalaahịa nke National Instruments Corporation. Rụtụ aka na ngalaba Usoro ojiji na ni.com/legal maka ozi ndị ọzọ gbasara ụghalaahịa akụrụngwa nke mba. Ngwaahịa na aha ụlọ ọrụ ndị ọzọ a kpọtụrụ aha n'ebe a bụ ụghalaahịa ma ọ bụ aha azụmaahịa nke ụlọ ọrụ ha. Maka ikike ikike na-ekpuchi ngwaahịa ngwa ngwa nke mba, rụtụ aka na ebe kwesịrị ekwesị: Enyemaka»Ikikere dị na ngwanrọ gị, patents.txt file na mgbasa ozi gị, ma ọ bụ ni.com/patent. © 2007–2008 National Instruments Corporation. Ikike niile echekwabara
Akwụkwọ / akụrụngwa
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Ngwa ngwa mba SCXI-1313A Mgbochi njedebe [pdf] Ntuziaka nwụnye Mgbochi njedebe SCXI-1313A, SCXI-1313A, Mgbochi ọnụ, Mgbochi |
