但是在严重的情况下，微环隙可围绕整个套管圆周。
However, in severe cases the microannulus may encircle the entire casing circumference.
而软件配置管理则是CMMI中的一个过程域，它贯穿于整个软件生命周期，为软件开发提供了一套管理办法和活动原则。
The software configuration management is a key process in CMMI, it runs through the whole software lifecycle, and offers a set of management and activity principle for software development.
铣鞋通常用于除去井下的碎屑或者研磨掉整个或部分套管。
A mill is usually used to remove junk in the hole or to grind away all or part of a casing string.
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