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