coal mining
英
美
- 煤矿开采
双语例句
- The utilization of CMM drained in coal mining is quite difficult because it contains plenty of air.
煤矿开采时所抽采的含空气的煤层气难以得到很好的利用。 - With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
摘要随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。 - Coal mining has always been a dangerous occupation.
采煤向来是一种危险职业。 - We have raised the coal output by using better mining methods.
我们利用更好的采煤法增加了煤炭产量。
相关词汇
coaldrop
coal
coal-electricity price linkage
coalbed methane desorption ratio
coal seam spontaneous combustion
Coal-burning endemic fluorosis
coal seam gas-bearing capacity
coal higher- vocational geology
Coal Industry Nationalization Act
coal-mining resource based city
Coal-generating electricity set
coal mine-environmental geology
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