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emergency power unit
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emergency power unit
Encyclopedia
工学
飞机第二动力系统
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emergency power unit
应急动力装置
飞机第二动力系统中,在飞机飞行过程中出现主电源和(或)液压源故障时,驱动应急液压泵和(或)应急发电机向飞机提供应急液压能和(或)应急电能的小型涡轮动力装置。
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Phraseology
phrase search
phrase structure based syntactic structure
phrase structure grammar
phrase-structure grammar
phrase structure grammar, PSG
phrase structure rule
phrase structure tree
phrase stucture grammar
phreatic flow
phreatic line
phreatic water
pH regulation
pH regulator
phrenic nerve
phrenosin
phrenotheca
pH responsive polymer
pH-responsive polymer
phrynoderma
pH sensor
pH sliding agent
pH test paper
phthalates
phthalazinone-based polymer
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