固井就是在井壁和套管间的环形空间内注入()的工作。 A.钻井液 B.水泥 C.石灰 发布时间:2018-05-14 05:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 固井就是在井壁和套管间的环形空间内注入()的工作。A.钻井液B.水泥C.石灰D.清水
题型:单项选择题 What a table!I’ve never seen such a thing before. It is _______ it is long.A.half not as wide asB.wide not as half asC.not half as wide asD.as wide as not half 查看答案