Precise filling intelligent robot behind crawler-type frame based on improved hydraulic support
Anti-collision early warning device based on UWB accurate positioning
Lining trolley walking frame automatic rail feeding device and working method thereof
Seabed drilling and grab bucket integrated sampling equipment and use method
Hydraulic support pushing jack for half-cutting coal mining technology
Shield tunneling machine cutterhead, cutter changing method and shield tunneling machine
Crawler-type horizontal directional drilling television imaging device
Crawler-type horizontal directional drilling comprehensive geophysical prospecting device
Drilling equipment transportation device and using method thereof
Device for rapidly discharging slag in vertical shaft