137.主传输是指( ) The main transfer refers to:()

　中央翼油箱向内油箱输油fuel transer from center tank to inner tank

　外油箱向内油箱输油fuel transer from outer tank to inner tank

　A和B

正确答案：C

解析：

题目解析题目问主传输是指什么，正确答案是选项 C，即 A 和 B。主传输是指从中央翼油箱向内油箱以及从外油箱向内油箱输油的过程。因此，主传输涵盖了选项 A 和 B 所描述的两种输油情况。

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A330机型熟悉课程试题

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