自由膨胀率δef()的土为中膨胀土。 A.65%≤δef<80% B.55%≤δef 发布时间:2019-03-02 07:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 自由膨胀率δef()的土为中膨胀土。A.65%≤δef<80%B.55%≤δef<80%C.65%≤δef<90%D.55%≤δef<90%
题型:单项选择题 67. Many countries have sent up man-made communication satellites to _____ the earth, which is made possible for each household to use TV.A.moveB.roundC.circle D.Go 查看答案