Nowadays trichloroethylene(TCE) has become one of the most widespread contaminants in groundwater because of its use in a large scale,which has drawn a lot attention of many countries for its persistence in environment and high toxicity to living things.
目前,三氯乙烯(TCE)的大规模使用,已使其成为地下水中分布最广泛的污染物之一。
It appears that the biodegradation of TCE contaminant exists, but it is incomplete.
指出TCE污染物的生物降解作用是存在的,但是不完全。
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