Integrated design method of integrated power system of ship
Snakelike web crawling robot and web crawling method thereof
Opening method and opening device for loading opening cover of railway grain vehicle on ground
Intersection signal control method considering priority of multiple buses
Method, device and system for monitoring lock shaft fault of bogie
Single-column double-point inward-opening type invisible safety door
Automobile safe starting system based on retina identification technique
Vehicle safety driving waning device based on dangerous goods transporting vehicle identification
Automobile sun shield for controlling secure startup of automobile through retina identification
Safety door opening early warning device used after automobile is parked
Automobile accelerator pedal mistaken stepping safety braking system and braking method thereof