Structure and method for connecting side wall outer plate and rear gutter channel assembly
Device and method for drawing machining line of saddle opening of main pipe
Traffic speed prediction method based on multi-spatial scale space-time Transform
Ship berthing area intelligent guidance system based on AIS and video intelligent analysis
New energy energy-saving charging pile for electric vehicle
Communication method, device, charging pile and system for charging of electric vehicle
Working method of high-fall password barrel lifting device connected with automatic sampling system
Detection device and method applied to subway tunnel leakage cracks
Secondary loading structure for airplane structural strength ground test
Electric heating wire type windshield glass cleaner nozzle heating device
Speed pulse signal acquisition device and method of tramcar signal control system
Integrated manufacturing platform for catenary dropper