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单选题
涡轮通过减速齿轮转动，向高压轴施加扭矩，从而驱动发动机和飞机附件。
A
The turbine rotates by a reduction gear,gives tolerance to the HP shaft,so it can drive the engine and the aircraft accessories.
B
The turbine turning through a reduction gear, applies a torque to the HP shaft, thus driving the engine and the aircraft components.
C
The turbine turning through a reduction gear, applies a torque to the HP shaft, thus driving the engine and the aircraft accessories.
答案解析
正确答案：C
相关知识点：
涡轮转动驱动发动机和附件
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