coal mining gateway
英
美
- 回采巷道
双语例句
- 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。
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
