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person:("chen wenhui")
Self-dumping type waste box and dumping method thereof
Hybrid power driving system, driving chassis and underwater cleaning robot
Elevator running state evaluation system and method based on sound feature extraction
Method for measuring creep distance between traction sheave groove and steel wire rope of elevator
Elevator guide rail rust prevention system and method
Traction type elevator brake with brake performance detection function and elevator
Centralized variable angle unfolding locking mechanism
Changeable parallelogram crawler-type in-pipe mobile operation robot
Geological disaster early warning response system based on man-vehicle positioning
Clamp for testing elevator traction machine and clamping method thereof
Planetary differential obstacle-crossing type tracked robot
Shears-fork type extending arm with variable cross section
Elevator car operation data on-line acquisition system
Supercharged propeller with high hydrodynamic efficiency
Crown block control method and system, electronic equipment and storage medium