10-gigabit optical fiber flight test data acquisition device
Airport clearance management platform based on GIS and Beidou positioning technology
Airtight cabin penetrating device and method in aircraft towing cable cabin
Automobile steering device valve sleeve clearance compensation mechanism
Detection device and method applied to subway tunnel leakage cracks
Dual-mode dispatching desk implementation method suitable for rail transit
Electric control supporting system of magnetically levitated train
Electric energy guarantee system for container type vehicle-mounted medical isolation square cabin
Electric vehicle charging load prediction method and device
Electric wheel chock capable of automatically collecting time of wheel chock