ខ្សែកំដៅ Retro-FM Force Main និងអង្កត់ផ្ចិតធំ ការណែនាំអំពីការការពារការកកស្ទះបំពង់
heat-line Retro-FM Force Main and Large Diameter Pipe Freeze Protection Specifications Product Name: Retro-FM Force Main and Large Diameter Pipe Freeze Protection Material: HDPE (High Density Polyethylene) Power Output: 5…