试题与答案

压油罐中气与油的体积之比为()。A、1∶1;B、2∶1;C、2∶3;D、3∶2。

题型:单项选择题

题目:

压油罐中气与油的体积之比为()。

A、1∶1;

B、2∶1;

C、2∶3;

D、3∶2。

答案:

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参考答案:A

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