指新建或停运时间超过半年的直埋蒸汽管道。
本公司地暖管，产品质量经过国家质检部门检验。
The company's supplier of heating pipes, product quality testing through the national quality inspection department.
产品包括一系列的鱼缸、潜水泵、气泵、水族灯、杀菌灯、暖管、及各种鱼缸配件。
Product range from: Full set of Aquarium, Filter Pump, Air Pump, Lamp, UV Sterilizer, Heaters to accessories.
锅炉的电测工作是从水压试验到暖管生火，直至正常运转，机体各部位的温度在变化着。
Measuring work goes on from the process of water pressure, heating he pipes up to normal operation.
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