Hoisting technology based on secondary unfolding of C-shaped connecting piece rotating arm mechanism
Connecting piece for power transmission line engineering
Lifting system for realizing automatic leveling and centering of box body
Elevator guide rail support with vibration isolation function
Three-coordinate measurement auxiliary clamp and use method
Near space unmanned aerial vehicle with delivery system and flight method
CLEANING SYSTEM USED FOR VEHICLES AND CAPABLE OF SUPPRESSING VIBRATIONS AND REDUCING NOISE
Hydraulic wheel leg robot and hydraulic driving system thereof
Tread formula enabling tire to maintain excellent ozone aging resistance at low temperature
Omega-shaped guide arm and suspension assembly thereof
Erecting, lodging and supporting system for vehicle-mounted photoelectric equipment
Mother-son ship operation platform for putting tower drum and tower drum putting method
Hoisting system for air pipe in vertical shaft and operation method of hoisting system
Integral or sectional type construction method for high-leakproofness air pipe in narrow hoistway
Hanging shaft structure for reducing deformation of tank wall of oil tank and machining method
Cover body structure of protective cover and production process
Novel deformable propeller structure system based on paper folding structure
Offshore floating type photovoltaic structure and offshore photovoltaic system
Sand core hanging spring tying device and process method
Novel direct-current constant-voltage power generation system of range-extended generator set