单级压气机功与压气机转速之间的关系为().A.与转速的三次方成正比 B.与转速成正比 发布时间:2020-02-24 14:11 │ 来源:www.tikuol.com 题型:单项选择题 问题: 单级压气机功与压气机转速之间的关系为().A.与转速的三次方成正比B.与转速成正比C.与转速的平方成反比D.与转速的平方成正比
题型:单项选择题 They had quarrelled all the time before they_____their engagement.A.broke offB.broke throughC.broke downD.broke out 查看答案