研究弯管阻力的模型实验,模型实验设计采用()。 A.雷诺准则 B.弗劳德准则 C.欧 发布时间:2017-08-17 00:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 研究弯管阻力的模型实验,模型实验设计采用()。A.雷诺准则B.弗劳德准则C.欧拉准则D.A、B、C各准则
题型:单项选择题 用所给动词的适当形式填空。1. He ________ (finish) drawing his picture already. 2. He ________ (not have) lunch at home every day. 3. We ________ (have) a good time at his party last night. 4. Do you know what it ________ (look) like? 5. I want you ________ (be) here on time. 查看答案