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person:("zhou xiaomin")
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Information notification method and device, electronic equipment and medium
Municipal road granite kerb carrying device and using method
Aerial photographing device for geographic surveying and mapping
Surveying and mapping device based on unmanned aerial vehicle
Emergency escape window for rail transit vehicle, and rail transit vehicle
Ventilation oil tank for aircraft lubricating oil system
Accelerator platform braking mechanism and method for airplane
Intelligent patrol system of unmanned aerial vehicle based on parking apron cluster
Winter car washing method and system for intelligent rail train
Integrated adjustable commercial vehicle plastic front lower part protection device
Urban rail transit non-network application library and power supply system
Urban rail transit emergency command system and method
Automatic displacement mechanism of signal transponder
Movable straddle type monorail electric induction type train body supporting device
Self-resetting displacement device of automatic vehicle base signal transponder
Intelligent robot dust removal system and method based on machine vision