During the diesel engine running the water level of F.W expansion tank should normally ke
公共英语
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the ____ level of glass tube.
A.the highest
B.above 3/4
C.1/2 -3/4
D.the lowest
请帮忙给出正确答案和分析,谢谢!
