1、 Lead ( Pb), one of the most heavy metals in the environment.
铅(Lead,Pb)是最主要的重金属污染元素之一。
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2、 Lead (Pb) accumulates in the blood, bone and soft tissues. It is not readily excreted and can affect the blood, kidneys, liver and nervous system.
铅积累在血液,骨骼和软组织中。铅难以被排出体外,可影响血液,肾脏,肝脏和神经系统。
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