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升力风扇系统
释义
升力风扇系统
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短距起飞垂直降落动力系统
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lift fan system
升力风扇系统
由电或燃气涡轮驱动,通过安装在飞行器机体内的叶轮机械对吸入的外界空气做功,并将之向下高速排出,从而为飞行器提供部分升力的系统。
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groundwater monitoring well
groundwater over-exploitation
ground water physical monitoring
groundwater polluted sites survey
groundwater pollution and soil pollution induced by landfills
groundwater pollution assessment
groundwater pollution control
groundwater pollution control technology
groundwater pollution/ groundwater contamination
groundwater pollution impermeable technology
groundwater pollution leak detection technology
groundwater pollution monitoring technology
groundwater pollution remediation materials
groundwater pollution remediation targets
groundwater pollution remediation technology
groundwater pollution restoration threshold
groundwater pollution shielding technology
groundwater pollution source removal technology
groundwater quality
groundwater quality criterion
groundwater quality fast detecting meter
groundwater quality monitoring
groundwater quality monitoring and analysis
groundwater quality pollution monitoring
groundwater quantity monitoring
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