Vibration reduction type contact network positioning mechanism and design method thereof
Wind power assembly hoisting auxiliary device and using method
Beidou fishery shipborne terminal equipment and method
Unlocking device for folding rudder wing multi-group chordwise locking mechanism
High-bearing hypersonic-speed folding rudder adapting to thermal deformation
Intelligent identification camera structure of unmanned rail weighbridge
Installation system and construction method based on civil construction of water treatment structure
Electric forklift pallet fork energy efficiency online monitoring system
Relay protection working vehicle and use method thereof
Intelligent anti-explosion inspection robot applied to offshore oil and gas field