例如令烟道内的气体通过带有不同电荷的金属板从而去除一些灰尘颗粒，因为这些从熔炉散发出的浓密毒烟为业内所共知。
Small particles of ash, for example, are normally removed by forcing the flue gases, as the fumes from the furnace are known in the trade, between electrically charged plates.
这是地球上最古老的栖息者之一，海带通过阻止身体吸收重金属和其它的环境毒素从而对身体排毒。
One of the oldest inhabitants of the Earth, sea vegetables detoxify your body by preventing assimilation of heavy metals as well as other environmental toxins.
油页岩废渣因酸度高，养分含量低，并存在一定程度的铝毒和重金属污染等，使得植物很难在其中正常生长发育。
Because of the high acidity, low nutrients content, aluminum toxicity and potential heavy metals pollution, oil shale waste slag has negative effects on the normal growth of plants.
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