基本释义:

永久间隔

网络释义

1)permanent partition,永久间隔

2)permanent insulation,永久隔离

3)permanent packer,永久式封隔器

4)permanent-completion packer,永久完井封隔器

5)permanent-type packer,永久型封隔器

6)semipermanent packer,半永久型封隔器

用法和例句

Parameters optimization for milling permanent packer in high deviation and deep well in Pinghu oil and gas field;

平湖油气田大斜度深井套铣永久式封隔器工艺参数优化