The area of mine exploitation and outer dump or digging are large in steppe,which destroyed many grassland resources and also formed lots of new soil and water losses.
英
美
释义
草原区的煤炭开采,大量的挖损和排土场岩土排弃占地面积大,人为堆垫的松散堆积物形成再塑地貌,破坏大面积草场原地貌环境,是新生水土流失的源地。
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