Self-adaptive control system and method for automobile angle-changeable spoiler
Maritime search and rescue equipment capable of automatically searching object and guiding rope
Safety monitoring method and equipment for hybrid electric vehicle
Shaping-circuit-based mode identification prompting system for infrared positioning signal lamp
Vector propelling device, airship and installation method for vector propelling device
Six-pipe-oblique-installation hydraulic gas-charging semitrailer
Variable-track current collector and electric vehicle