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单选题
393、当交互供油系统打开时,一个燃油泵可以向两台发动机供油
A
When the cross-feed system is open, it is possible for one fuel pump to supply fuel to the two engines.
B
When the supplying system is open, it is possible for one fuel pump to supply fuel to the two engines.
C
One fuel pump can supply fuel to two engines, as the supplying system is open.
答案解析
正确答案：A
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