Light-emitting vehicle window glass and manufacturing method thereof
Quick change device for solid-state module of fuel cell system
Chain driving apparatus of two-way circulation conveying system
Rapid pressure reduction test device and method for large-size aircraft assembly
Passenger car tail lamp and passenger car tail lamp light rhythm control method
Lifting device, hydraulic synchronous lifting system and lifting system of magnetic levitation train
Floating type offshore wind power and novel floating type foundation thereof
Clamping jaw type hydropower station reservoir area sundry salvaging and crushing ship