Elevator emergency system control method and device, elevator, equipment and storage medium
Automatic elevator floor gesture instruction recognition device based on image recognition
Explosion-proof vehicle and display instrument thereof
Elevator switching power supply life determination method and device, elevator and storage medium
Split type hoisting method for land wind turbine generator set
Electric vehicle, and electric heater, electric cavity and pressure balancing structure thereof
Thrust chamber integrated thermal control device for micro space liquefied gas thruster
Fixing lock for mooring rope and floating body of wave glider
Brake valve group for hydrostatic transmission system of railway engineering machinery vehicle
Installation method for middle connecting piece of condenser
Rail wagon movable top cover capable of being opened and closed through forward and reverse touch
Coal mine maintenance management device based on big data
Railway wagon top cover touch mechanism control system
Prefabricated concrete vertical component overturning instrument
Erecting equipment, erecting method and method for passing through uneven surface
Walking hydraulic system for rail engineering vehicle
Steel lifting device for tower crane steel platform construction
Unmanned ship for tracking and collecting floating oil on water surface
Road perspective method and device based on image sharing
Reverse jacking mounting device for mounting container ship guide rail bracket
Dual-purpose reed harvesting ship used in water and wet land
Intelligent urban desilting and solidifying system and method
External microphone, vehicle terminal and outdoor radio equipment
Mounting structure for conveniently opening tail lamp maintenance cover plate
Air cylinder for feeding and lifting mechanism of smelting furnace
Amphibious multi-purpose grass cutting boat with adjustable floating state
Automatic driving positioning method and device, computer equipment, medium and program product
Engine load point distribution control method and device, storage medium and vehicle
Early warning method and device for monitoring vehicle approaching risk point based on GeoHash
Safety monitoring method and system for construction hoist
License plate information correction method, equipment and device
BATTERY, ELECTRICAL APPARATUS, AND PREPARATION METHOD OF BATTERY