25_______．A．difficultB．possibleC．usefulD．different

题目内容（请给出正确答案）

25_______．

A．difficult

B．possible

C．useful

D．different

参考答案

考题 During sea trial, the main engine will be kept run at______loadA.100%B.110%C.85%D.different

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考题 During sea trial, the main engine well be kept run at load.A.100%B.110%C.85%D.different

查看答案

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