“auxiliary power unit”的概念、定义、翻译、参考文献-科学参考

单词	auxiliary power unit
释义	auxiliary power unit [ȯg`zil·yǝ·rē `pau̇·ǝr ´yü·nǝt] ^{AEROSPACE ENGINEERING} A power unit carried on an aircraft or spacecraft which can be used in addition to the main sources of power. Abbreviated APU.
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