Self-destructive fire scene fire extinguishing unmanned aerial vehicle for fire fighting
Intelligent collection and treatment system and method for water hyacinth in water area
ULTRA-DEEP VERTICAL SHAFT MULTI-ROPE HOISTING SYSTEM AND GUIDING METHOD THEREFOR
Ice and snow antiskid chain for tyre with low vibration
Tool structure for integrally hoisting concrete wall reinforcement cage
Device and method for automatically separating algae from water
Energy storage device of comprehensive energy supply station
Effect of tab design on large-format Li-ion cell performance
Contact net cleaning system and cleaning operation vehicle
Indoor construction hoist system and dismounting and mounting method
Auxiliary tail rope pulling device of motorized winching machine
Engineering driller machine-liquid composite power transmission device and control method thereof