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