A CLEANING DEVICE FOR GUIDE RAIL OF ELEVATOR AND CLEANING METHOD THEREOF
CLEANING DEVICE FOR GUIDE RAIL OF ELEVATOR AND CLEANING METHOD THEREOF
OVERWINDING PREVENTION METHOD AND APPARATUS FOR DEEP SHAFT HOISTING SYSTEM
OVERWINDING PREVENTION METHOD AND APPARATUS FOR DEEP SHAFT HOISTING SYSTEM
PERSONALIZED ADAPTIVE HVAC SYSTEM CONTROL METHODS AND DEVICES
SELF-PRIMING WATER TURBINE-DRIVEN REEL SPRINKLER IRRIGATION MACHINE
Boat-shaped sprinkler irrigation machine for large-scale farm irrigation canals
Automatic inspection driving system of walking wheel with rim tread and wheel teeth
Ethernet-based train flexible dynamic marshalling method and device, medium and equipment
Multi-lead-screw co-driven elevator steel wire rope tension-adjusting device
Vertical shaft steel wire rope cage guide sliding sleeve device and detection method thereof
Tower crane balance arm pull rod connecting and mounting device