金属：例如铅和汞，造成婴儿和儿童的神经损伤。
Metals: such as lead and mercury, cause neurological damage in infants and children.
这些废弃电脑预计要超过一万年才能分解，留下许多有毒物质，包括铅和汞。
It's estimated that dumped computers take ten thousand years to break down, leaving a cocktail of toxic materials including lead and mercury.
以KDF为滤料，研究了接触反应时间、滤层高度和滤速对铅和汞去除效果的影响。
In the KDF filter, effect of contact reaction time, filter bed height, and filtering velocity on lead and mercury removal was studied.
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