roadway supporting
英
美
- 巷道支护
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。 - The present method could make the supporting of roadway surrounding rock safe and economic.
按最优恒阻支护计算方法设计巷道支护，可以达到经济且安全的最佳支护效果。
相关词汇
大家正在查
Copyright © 2023 256查询网 All Rights Reserved
