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真空度的计算式为( )。

单选题
2022-04-02 18:10
A、真空度=大气压力+绝对压力
B、真空度=绝对压力-大气压力
C、真空度=大气压力-绝对压力
D、真空度=绝对压力-表压力
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正确答案
C

试题解析

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