_____ shows 1.2 meter and the specific gravity of the oil is 0.96According to the measuring scale, t

问题

_____ shows 1.2 meter and the specific gravity of the oil is 0.96According to the measuring scale, that makes 150 tons.

A.The piston rod

B.The push rod

C.The sounding rod

D.The connecting rod

参考答案

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