Water-jet propeller impeller with detachable sawtooth front edge
Vertical storage and transportation device and method for tower drum of offshore wind generating set
Vehicle-mounted double-layer unmanned aerial vehicle parking apron and lifting method
Unmanned underwater vehicle deploying and retrieving system and deploying and retrieving method
Transverse and longitudinal compatible mounting chassis structure
Transport marshalling rapid parking control method and transport marshalling
Train wheel tread defect and out-of-roundness three-dimensional image pass-type detection system
Traffic flow prediction method and device based on space-time sequence deep learning
Torsional moment applying mechanism and unfolding time detection device of aircraft folding rudder
Temperature control system of battery, battery and temperature control method of battery
Synchronous double-direct-acting driving energy-adjustable continuous winged unmanned aerial vehicle