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关注：1
2013-05-23 12:21
求翻译：A technical study conducted during 2001–04 revealed that coal mining caused significant harm to waterways by increasing the level of sedimentary heavy metals, and that mining localities were increasingly contaminated.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
A technical study conducted during 2001–04 revealed that coal mining caused significant harm to waterways by increasing the level of sedimentary heavy metals, and that mining localities were increasingly contaminated.
问题补充： |
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2013-05-23 12:21:38
2001-04期间进行的技术研究报告显示，煤炭开采造成显著伤害水道通过增加沉积的重金属水平，并挖掘各地越来越多地受到污染。
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
在 2001年 — — 04 透露煤炭开采造成重大损害到水道提高水平的沉积重金属，和挖掘现场被日益污染期间进行技术研究。
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2013-05-23 12:28:18
一项技术研究召开在 2001-04 期间通过增强程度沉淀物的强敌，那开采位置透露那种煤矿业被导致的显著损害到排水沟愈加地被污染。
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