Did you mean:
person:(zhang, jianyong)
Battery replacement device suitable for mining new energy vehicle
Power chassis of wheel type mine material distribution robot
Downhole explosion-proof vehicle door opening automatic parking system and method
Lifting appliance suitable for top lifting and battery replacement of mining new energy vehicle
Electro-hydraulic control automatic clutch device for coal mine electric engineering vehicle
Mining integrated self-adaptive independent electric drive unit
Mining integrated self-adaptive independent electric drive assembly
Oil-electricity dual-power transmission system and dual-power rubber wheel transport vehicle