Crawler-type horizontal directional drilling television imaging device
Thermal runaway early warning method, device and equipment and readable storage medium
Portable elevator construction safety monitoring device
Submerged plant quantitative collection equipment and method
Carriage air conditioner auxiliary refrigeration system and cargo transport vehicle
Boost chopper wireless maintenance network system and method
Electric power operation and maintenance insulation operation platform frame
Paddy rice high-throughput phenotype group platform device based on dual-mode fusion and use method
Traffic accessibility assessment method considering extreme weather conditions
Crane safety management and control device for on-site hoisting operation
Helicopter main blade heating control system based on serial port bus communication
External locking device of quick-acting switch machine