First order coupled dynamic model of flexible space structures with time-varying configurations
Thermally induced deformation of ultra-large truss support membrane structure
Defogging type high-safety intelligent automobile data recorder
Wooden door carrying device with anti-collision function and using method thereof
Splicing and assembling machine and method for preassembled electric power pole tower
Charging and discharging method and device of charging pile, storage medium and charging pile
Detachable and replaceable air conditioner filter element and frame structure thereof
Propeller with variable diameter and variable blade angle