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单选题
发动机附件冷却系统用于发动机舱和附件通风，包括活门、管路、引射泵、涡流扰流器等部件。
A
Valves, tube lines, injection pumps, and vortex spoilers are the essential components of the engine auxiliary cooling system, which facilitate ventilation of engine pylon and accessories.
B
The accessory cooling system dissipates air from the engine compartments and accessories, including several components and units such as valves, pipelines, injection pumps, and vortex spoilers.
C
The engine accessory cooling system is used to ventilate engine compartments and accessories, inclusive of valves, plumbing, jet pumps, vortex spoilers, etc.
答案解析
正确答案：C
