Field detection device and method for flexible direct current transmission converter valve submodule
Framework structure of back plate of back row seat of automobile
Full-automatic start-stop protection system of grab ship unloader and control method
Group-control and group-charging electric vehicle charging socket
Group control and group charging system for charging electric vehicles
Hand wheel angle from vehicle dynamic sensors or wheel speeds
Hand wheel angle from vehicle dynamic sensors or wheel speeds
Helicopter live-line joint detection device and method for overhead transmission line
Hexagonal space capturing rope net and knotting method thereof
Hidden charging equipment capable of cleaning surface of pile body
High-rise fire rescue unmanned aerial vehicle anti-collision early warning method
High-speed railway turnout switch rail monitoring system and method