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单选题
1850. 正常的发动机气流(冲压或压缩空气)旁通掉的部分,主要目的是附加发动机推力或降低燃油消耗率。
A
The section of the engine which by-passes a portion of the normal engine airflow for the prime purpose of adding to engine thrust or reducing specific fuel consumption.
B
The section of the engine which by-passes a portion of the normal engine airflow for the prime purpose of reducing to engine thrust or adding specific fuel consumption.
C
The section of the engine by-passes a portion of the normal engine airflow to add to engine thrust or reduce specific fuel consumption.
答案解析
正确答案：A
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