微污染地下水水厂的改造_建筑工程管理论文 关键词：污染地下水；旧水厂改造；沉淀池曝气 [gap=634]Keyword: polluted groundwater; reform old waterworks; sedimentation aeration.
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受污染的土地和地下水 Contaminated land and groundwater
子弹将从冬季两项的射击目标上取出并回收，以防止铅污染地下水。
Bullets will be plucked from biathlon targets and recycled to keep the lead from poisoning ground water.
一些垃圾会污染地下水。
但是，填埋场中的垃圾在腐烂过程中会释放出温室气体，也会污染地下水。
But waste in landfill emits greenhouse gases as it rots, and can poison groundwater.
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