Wheel with high contact fatigue performance and production method thereof
SYSTEM AND METHOD FOR RECOGNIZING MOTION OF TORSION ROLLER, WINDING OR UNWINDING STEEL WIRE ROPE
SYSTEM AND METHOD FOR AUTOMATIC ADJUSTMENT OF GUIDE ROPES OF SUSPENDED PLATFORM WITH FLEXIBLE CABLE
Suction cup lifting device with air channel on-off function
Smart skin driving device based on shape memory effect
Simple lifting frame for unearthing of pipe jacking working well
Servo load moment calculation method and equipment applied to aircraft and storage medium
Portable power-assisted elevator based on lever principle
Passenger service voice management system and method based on rail transit
Parking risk determination method and device, electronic equipment and storage medium
New energy energy-saving charging pile for electric vehicle