Geography surveying and mapping device convenient to move and using method thereof
Multi-power-driven offshore comprehensive observation platform
Ship fouling monitoring and evaluation method based on overall fouling coefficient
METHOD FOR MEASURING THE PULL-OUT OF THE BELT BAND AND BELT BAND RETRACTOR
Airplane guiding device under runway pollution conditions
Automobile data recording system with fixing function of truck for transporting steel coils
Automatic heat-dissipating system of charging pile module and method thereof
Multi-dimensional sensing device for collecting leveling data of super-high-speed elevator
System and method for detecting absolute position of rail heavy equipment