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Vacuum container device for simulating low-pressure dust storm environment of Mars
Steel rail fastener fastening state detection method and device
Ship draft detection facility and early warning system
Sealing structure, sealing assembly for air conditioner and metro vehicle air conditioning unit
Mounting seat of integral cantilever and mounting structure of integral cantilever
Light-weight high-sound-insulation composite floor for metro vehicle
Hot-line work platform with voltage class of 220kV and below
Cooperative operation mode research method based on auv and underwater glider cluster
Connector, cantilever device and manufacturing process
Agricultural pest information acquisition system and method