Differential device suitable for multiple working conditions and vehicle
Unmanned aerial vehicle-mounted cannonball mounting device based on sliding block self-locking
Separating type double-shell-pass air conditioner evaporator for ship and system
Novel efficient front-drive engine general arrangement
Wind cable anchoring system and construction method of cable hanging tower
Dynamic pipe cable distributed floater underwater online replacement method
Telescopic transformer substation protection verification auxiliary trolley
Connecting piece for power transmission line engineering