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Air energy heat insulation external combustion power system and travelling crane driving method
Annular hoisting power device powered by sliding contact
Constant-tension pay-off device for overhead line system
Deep sea fishery breeding work ship and breeding method thereof
Electric automobile parking control device, system and platform based on light path sensor
Electric vehicle charging stereo garage mechanical device
Electric vehicle charging system and method for positioning based on reverse wireless charging
Electric vehicle parking process position detection system and method based on BD-WPT technology
Jacking device for power transmitting module of wireless charging system
Liftable wireless charging receiving module for electric automobile