Control method and control device of laser car lamp and laser car lamp system
Crane alarm device for electric power facility and working method
Flexible mounting structure for crankshaft of medium-speed diesel engine
End opening rain plugging device and plugging drainage method
Creeping bionic robot and walking control method thereof
Charging pile based on clean energy and power storage system for supplying charging pile
Business tunnel defect treatment concrete operation train
Aviation fuel control system and control method thereof
Emergency safety communication equipment for automobile based on intelligent network connection
Seawater cooling pipeline cabin-penetrating vibration reduction structure for amphibious vehicle
Positioning device and positioning method of remote sensing observation equipment
Tuning liquid column damping vibration attenuation system for floating type wind power
Emergency traffic light with anti-collision structure
Crawler-type walking and braking speed reduction device for potassium salt mine