The working mechanism and applicable ground for earth pressure balance shield entry-driving machine are described here.
该文叙述土压平衡盾构掘进机的工作机理和适用地层。
The main shaft of mining entry-driving machine broken at earlier time after working for a certain time.
煤矿掘进机主轴在服役一段时间后早期断裂失效。
The main shaft of mining entry-driving machine broken at earlier time after working for a certain time.
煤矿掘进机主轴在服役一段时间后早期断裂失效。
应用推荐