shaft drilling machine的意思|示意
竖井钻井机
shaft drilling machine的网络常见释义
竖井钻井机 ... shaft drilling jumbo 竖井凿岩吊架 shaft drilling machine 竖井钻井机 shaft drive 轴的传动装置，万向轴传动 ...
shaft drilling machine相关短语
1、 shaft drilling machine scraper 竖井钻机刮刀
2、 rotary table shaft drilling machine 转盘式竖井钻机
3、 shaft drilling machine cutting-tool 竖井钻机刀具