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.

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。

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Pipes and pipe fitting that carry fluids.

携带流体的管子和管子配件。

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Provides a hydraulic calculation method of EG Pipes in ice storage systems, and some fitting equations for CAD.

给出了冰蓄冷系统乙二醇管道水力计算方法和适用于CAD的拟合方程。

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