Inferior copper pipe not only service life shortens greatly, cannot have antiseptic effect, still contain many metallic impurity, the meeting in entering water is caused to human body damage.
英
美
释义
劣质铜管不但使用寿命大大缩短,不能起到杀菌作用,还含有大量的金属杂质,进入水中会对人体造成损害。
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