镉是一种金属元素。它主要用于制造油漆、涂料和电池。人体暴露在镉元素下会对肾脏和肺产生严重损害。
Cadmium is a metallic element. It has primarily been used in paints, coatings and batteries. Exposure in humans can cause significant kidney and lung damage.
它主要用于制造油漆、涂料和电池。
It has primarily been used in paints, coatings and batteries.
铅主要用于制造电池，近年来其需求结构也已得到改善。
Lead is mainly used in batteries and has enjoyed a structural improvement in demand in recent years.
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