stope wall rock

• 采场围岩

stope wall rock的用法和样例：

例句

1. The stability of stope wall rock and obsturator is a key issue for the safty of the second stage minimg in Jinchuan no.2 digging.
   金川二矿区深部开采过程中采场围岩及充填体的稳定性是二期安全生产中的关键技术问题。