Control method and system for automatic gear shifting of electric vehicle two-gear transmission
Method and system for detecting person trapping in elevator
Coder, external diagnosis equipment and on-line diagnosis and adjustment method
Buffering system of lifting sliding table for overhead elevator
Method for installing and positioning window of track vehicle
Rail vehicle window installing and positioning device
Composite material skin net edge coordination tools and assembling method for skins
Multilevel fault tolerance reinforcement satellite information processing system based on SRAM FPGA
Disorder rope monitoring system for winding reel of mine hoist and disorder rope judging method
Weld joint stress homogenized rock propellant tank cylinder section wall plate