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词汇 coal mining gateway
释义 coal mining gateway
基本例句
回采巷道
A new anchor applied to the stoping tunnel supporting of coal mine is recommended.介绍了一种用于煤矿回采巷道支护的新型锚杆。
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。
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