• 研究试制了一用于黄铜管道水龙头接头饮用水系统用零件表面的脱铅试剂

    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.

    youdao

  • 研究试制了一用于黄铜管道水龙头接头饮用水系统用零件表面的脱铅试剂

    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.

    youdao

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