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。
Automatic feed is realized, the auxiliary device of the high-efficiency electric iron can be operated by one hand and the other hand can freely catch a device to be soldered.
实现自动送料，可以实现一手操作高效电烙铁的辅助装置，另一只手任意摆弄扶持被焊器件。
Automatic feed is realized, the auxiliary device of the high-efficiency electric iron can be operated by one hand and the other hand can freely catch a device to be soldered.
实现自动送料，可以实现一手操作高效电烙铁的辅助装置，另一只手任意摆弄扶持被焊器件。
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