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person:("wang, zhiqiang")
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person:("wang, zhixiang")
Charging pile management method and device and computer storage medium
Rapid emergency rescue power supply vehicle and use method
Mounting device and mounting method for track beam and electric hoist in limited space
Vehicle-mounted comprehensive energy efficiency mobile testing device
Helicopter ground joint test engine compartment temperature field measuring device
Universal adapter for flight-launch auxiliary casing test bed
Aviation transmission system test bed mechanical system
Collapsible personal wheeled conveyance having a selectively adjustable width
Vehicle-mounted early warning, warning and distress system