Meinten Sie:
person:("wang jinfeng")
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person:("wang qingfeng")
•
person:("wang lingfeng")
Rear-mounted machine-room-less elevator lifting hook assembly and construction method
Protective lifting device for fragile materials for constructional engineering
Method for controlling vibration comfort in bridge forming state
Integrated marine piling system with adjustable posture
Charging mechanism, unmanned aerial vehicle hangar and vehicle
Charging mechanism for unmanned aerial vehicle hangar, unmanned aerial vehicle hangar and vehicle
Automatic packing and riprapping system for three-dimensional ship base