钻穿油气层后,将套管下过油气层,固井后再用射孔器射穿油气层段的套管和水泥环,形成油气 发布时间:2019-09-27 04:20 │ 来源:www.tikuol.com 题型:单项选择题 问题: 钻穿油气层后,将套管下过油气层,固井后再用射孔器射穿油气层段的套管和水泥环,形成油气流入井底的通道的完井方法称为()完井。A.套管B.射孔C.贯眼D.衬管
题型:单项选择题 根据提示或句意或音标写出所缺单词1.We often feel (累) after we read for a long time. We need to have a rest.2.We shouldn’t eat too many hamburgers. (水果) is good for us.3.Young people like singing. They like (/?p?pjul?/) songs best.4. Jack likes skating. He is also a very (someone who can swim ).5.The phone is too (having a high price), I don’t have enough money to buy it. 查看答案