Meinten Sie:
person:(zhang, jing)
•
person:(zhang, ming)
•
person:(zhang, ying)
•
person:(zhang, ding)
•
person:(zhang, ping)
Water surface garbage cleaning device based on water ecological restoration
Anti-dislocation structure of tunnel crossing active fault
Plant protection unmanned aerial vehicle capable of precisely applying pesticide
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
Robot and method for laying and recovering ground node type geophone
Unmanned aerial vehicle rice seed and fertilizer simultaneous sowing one-time fertilization method
Unmanned aerial vehicle aerial seeding afforestation method
Offshore treatment equipment for offshore drilling waste
Modularized rescue drilling machine suitable for mines or tunnels with various section sizes