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单选题
Engine mounts refer to the framework, either of build-up construction or forgings, which support the engine and attach it to the nacelle or pylon.
A
发动机支架用于支撑发动机，固定机舱或塔架上的框架，要么是组装式结构，要么是锻造件。
B
发动机支架要么是积木式结构，要么是锻造件，用来支撑发动机并将其固定在机舱或塔架上。
C
发动机支架指支撑发动机并将其固定在短舱或吊架上的框架，要么是装配结构，要么是锻造件。
答案解析
正确答案：C
相关知识点：
发动机支架结构用途明
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