掘进机械 meaning in Chinese
heading assembly
tunnel machine
tunneling assmbly
Examples
- Tunnelling machines - air locks - safety requirements
隧道掘进机械.气闸.安全性要求 - Engineering boring and drilling devices
工程钻探和掘进机械 - Tunnelling machines - road headers , continuous miners and impact rippers - safety requirements
隧道掘进机械.巷道掘进机联合采矿机和冲击式平巷掘进机.安全性要求