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

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

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ANGLE gearbox, a part of an engine, mechanically driven by the compressor, which drives the accessory gearbox.

伞齿轮箱，发动机的一部分。被压气机以机械方式驱动，然后驱动附件齿轮箱。

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The utility model provides an arbitrary Angle arbitrarily bisector, belonging to the field of a teaching appliance, a drawing tool, a lining tool for a bench worker, a machine tool accessory, etc.

本实用新型提供了任意角任意等分仪，属教学仪器、绘图工具、钳工画线工具及机床附件等领域。

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