旧的家庭用的是铅管，但是即使是新的无铅水管装置在焊接接头的铜管件或水龙头或铜管中也含有铅。
Older homes may have lead pipes, but even new plumbing that's lead free can still contain lead in brass fitting or faucets or in copper pipes with soldered joints.
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.
管接头，弯头，水龙头连接器，三通，压接环。
管接头，弯头，水龙头连接器，三通，压接环。
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