roadway supporting

• 巷道支护

roadway supporting的用法和样例：

例句

1. 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。
2. 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。