流体的伯努利方程的流速为() A.流速点真实流速 B.时间平均流速 C.断面平均流速 发布时间:2019-01-22 01:25 │ 来源:www.tikuol.com 题型:单项选择题 问题: 流体的伯努利方程的流速为()A.流速点真实流速B.时间平均流速C.断面平均流速D.视具体情况而定
题型:单项选择题 Though bought several years ago, the car is still in good . A.situationB.conditionC.standardD.position 查看答案
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题型:单项选择题 Listen! They ________ about Harry Potter. Let's join them. A. talking B. are talking C. talks D. talk 查看答案