Bearing-wave transmission-shielding integrated composite cabin and preparation method thereof
Folding radar detection vehicle based on geological data acquisition
Early warning method for ship line deviation of lockage ship in hub river reach
Helicopter flight control system function test device and loading method
Device for assisting people with visual impairment in taking bus
Liquid injection system, steering wheel and motor vehicle
Airspeed measuring device and method for double-flying-wing unmanned aerial vehicle
Synchronous lifting and transferring device and method for gas insulation switch cabinet
Ship cargo hold flank structure and multipurpose ship
Arrangement structure of automobile engine cooling system
Portable high-voltage non-contact electric power overhaul car for cable detection
High-voltage line inspection aircraft with obstacle avoidance function
Safe construction method for rail transportation of inclined shaft