地下作业 meaning in English
underground work
Examples
- Machines for underground mines - mobile machines working underground - safety - rail locomotives
地下采矿机械.移动式机械地下作业.安全.轨式机车 - Machines for underground mines - mobile machines working underground - safety - part 2 : rail locomotives
地下采矿机械.地下作业用移动机械.安全性.第2部分:轨道机车 - Machines for underground mines - mobile machines working underground - safety - rubber tyred vehicles
地下采矿机械.移动式机械地下作业.安全.安装橡胶轮胎的运载工具 - Machines for underground mines - mobile machines working underground - safety - part 1 : rubber tyred vehicles
地下采矿机械.地下作业用移动机械.安全.第1部分:橡胶轮胎车辆 - Machines for underground mines - mobile machines working underground ; safety - part 2 : rail locomotives ; german version en 1889 - 2 : 2003
地下矿井用机械.地下作业的可移动机械.安全.第2部分