Meinten Sie:
person:(zhang, jing)
•
person:(zhang, ming)
•
person:(zhang, ying)
•
person:(zhang, ding)
•
person:(zhang, ping)
Anti-dislocation structure of tunnel crossing active fault
Robot and method for laying and recovering ground node type geophone
Sinking escape self-rescue device and self-rescue method for seabed mine car in walking process
Intake-exhaust transport apparatus mobile power generation system and assembling method thereof
Offshore treatment equipment for offshore drilling waste
Modularized rescue drilling machine suitable for mines or tunnels with various section sizes