The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
径扩大率超标是鄂北工区身质量存在的最大问题,一般都达到20%~30%,严重影质量。
The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
径扩大率超标是鄂北工区身质量存在的最大问题,一般都达到20%~30%,严重影质量。
Unlike their more massive counterparts, sunlike stars are thought to die gracefully by ejecting their outer gaseous layers in a nonexplosive process that takes about 10,000 years.
不像大质量的恒,同太阳一般大小的恒,死状就相对优雅得多。它们的非爆发性过程大一万年的时间,逐步弹射出其外部气体壳层。
声明:以上例句、词性分类均由互联网资源自动生,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。