此外，散热器和发动机之间的胶质水管和管接头会因此劣化，引起冷却水的渗漏及管道水流不畅。
In addition, the hose and connections between the radiator and the engine may deteriorate, causing leakage or inadequate passage of water.
研究试制了一种用于黄铜管道、水龙头和管接头等饮用水系统用零件的表面脱铅的脱铅试剂。
In this paper, a new kind of reagent which is used in leaching lead from surface of brasses in drinking water systems is studied, such as pipes, fittings and faucets.
在此种极低的温度下，管道、阀门和管接头等的材质必须采用特殊的耐低温材料。
In such low temperatures, pipes, valves and fittings and other material must be of special low-temperature-resistant materials.
应用推荐