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person:(Lai, junfeng)
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person:(Lai, yufeng)
Telegraph pole and tree toppling monitoring device of unmanned aerial vehicle after typhoon disaster
Roof protection device, rail vehicle body and rail vehicle
Unmanned aerial vehicle disaster exploration device based on big data
DOOR GAP COMPENSATOR, DOOR GAP COMPENSATOR CONTROL SYSTEM AND METHOD, AND RAIL VEHICLE
DOOR GAP COMPENSATOR, DOOR GAP COMPENSATOR CONTROL SYSTEM AND METHOD, AND RAIL VEHICLE