ACCESSORY gearbox, a part of the engine, mechanically driven by a compressor or an Angle gearbox, for driving components necessary for engine and airplane operations.

附件齿轮箱，发动机的一部份，由压气机或伞齿轮箱带动，用来驱动一些使发动机和飞机工作的部件。

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Boeing reported a 13% increase in first-quarter earnings Wednesday, as a smaller tax bill helped the company offset softer revenues driven by a decrease in its commercial airplane business.

FORBES: Boeing Reports Soft Revenue, Manages Profit Beat