BOG heating cycle control system and method of VLCC ship
Earthwork conveying device for vertical shaft excavation of rail transit platform
Ventilation air inlet system for core compartment of turbofan engine
Automobile seat based on concave hexagonal negative poisson ratio cellular structure
Anti-falling fixing rope assembly for high-place operation large tool
Switchable two-way clutch structure for hawse pipe cover opening and closing device
Driving and folding device of space-expandable suspender with bistable characteristic