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accessory gearbox /ɐksˈɛsəɹi ˈɡiəbɒks/ n

中文：附件齿轮箱

中文 · 附件齿轮箱Español · caja de engranajesFrançais · relais d’accessoires
Meaning：Mechanism that drives various accessories such as the alternator and the hydraulic, fuel and oil pumps.
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