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person:("zhou xiaolin")
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person:("zhou xiaomin")
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person:("zhou xiaobing")
Information notification method and device, electronic equipment and medium
Aerial photographing device for geographic surveying and mapping
Municipal road granite kerb carrying device and using method
Surveying and mapping device based on unmanned aerial vehicle
Emergency escape window for rail transit vehicle, and rail transit vehicle
Accelerator platform braking mechanism and method for airplane
Ventilation oil tank for aircraft lubricating oil system
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
Intelligent robot dust removal system and method based on machine vision
Self-resetting displacement device of automatic vehicle base signal transponder