mine exploitation
常见例句
- The mine exploitation contributes 16% to the concentration as a secondary dust source.
矿山开采二次尘的浓度贡献占16%; - Prevention of mine water are basic jo bs of mine exploitation, and there are more and more important significances for sustainable development of coal industry.
矿山防治水工作是矿山开发的基础性工作,对煤炭工业的可持续性发展有越来越重要的意义。 - 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.
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。 返回 mine exploitation