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person:("wang jinfeng")
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person:("wang qingfeng")
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person:("wang lingfeng")
Rear-mounted machine-room-less elevator lifting hook assembly and construction method
Charging mechanism for unmanned aerial vehicle hangar, unmanned aerial vehicle hangar and vehicle
Charging mechanism, unmanned aerial vehicle hangar and vehicle
Method for controlling vibration comfort in bridge forming state
Automatic packing and riprapping system for three-dimensional ship base
Protective lifting device for fragile materials for constructional engineering
Analytical Performance and Design of CECFST Column Assembled to PEC Beam Joint