rock tunnelling machine

• 隧道掘进机

rock tunnelling machine的用法和样例：

例句

1. Being a crucial factor in influencing the performance of full face rock TBM, the cutterhead design is one of the key issues of TBM.
   摘要刀盘设计是全断面岩石隧道掘进机的设计关键，是影响其掘进性能的决定性因素。