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person:("LI jianfeng")
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person:("LI junfeng")
Hydraulic variable-diameter racing car steering wheel based on linear speed matching driving
Mobile platform turning assembly based on hydraulic linear auxiliary driving
Low-speed machine piston head hoisting tool capable of automatically calibrating and positioning
Layout method for transverse moving anchor cable of cutter suction dredger
Auxiliary anchor weighing device and method for transverse moving anchor of cutter suction dredger
Method for quickly switching trunnions of double-trunnion cutter suction dredger
Rear wheel steering data processing method, storage medium, control system and vehicle
BATTERY, ELECTRICAL APPARATUS, AND PREPARATION METHOD OF BATTERY
Management method and management device of battery pack, electronic equipment and storage medium