竖井钻机
- 网络shaft-well drill; shaft boring maehine
竖井钻机竖井钻机
shaft-well drill
1 2 3 4 5 ... 竖井挖掘机^ shaft-well digger 竖井钻机^ shaft-well drill 无轴式电动泵^ shaftless electric pump ...
shaft boring maehine
shujlng zuanjl 竖井钻机(shaft boring maehine)以切削或 压碎和剪切作用破岩的连续旋转钻进式竖井掘进机 械。主要用于金属矿 …