在关闭()时,应先关套管阀门,后关生产阀门。A、合注井 B、分层注水井 C、试注井 发布时间:2017-06-24 00:20 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在关闭()时,应先关套管阀门,后关生产阀门。A、合注井B、分层注水井C、试注井D、转注井
题型:单项选择题 ---What would you do if you a million dollars? ---If I you, I’d give it to medical research.A.got, wereB.win, amC.won, amD.get, were 查看答案