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helicopter flight
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helicopter flight
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工学
民用航空飞行
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helicopter flight
直升机飞行
以航空发动机驱动旋翼旋转产生升力,并以旋翼倾转产生升力的分力来进行的飞行。包括垂直和前飞两种基本飞行方式。
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hydrogen storage alloy
hydrogen storage by highpressure
hydrogen storage by physical adsorption
hydrogen storage capacity
hydrogen storage-complex hydrides
hydrogen storage electrode material
hydrogen storage-liquid hydrigen
hydrogen storage material
hydrogen-storage material
hydrogen storage materials
hydrogen storage mineral material
hydrogen storage-organic liquid hydrides
hydrogen storage tank
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hydrogen storage titanium alloy
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Hydrogen sulfide
hydrogen sulfide
hydrogen sulfide blowout diffusion
hydrogen sulfide detector
hydrogen sulfide gas
hydrogen sulfide poisoning during drilling and completion
hydrogen sulfide protection in oil drilling
hydrogen supply module
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