external casing packer

 
  • 管外封隔器

external casing packer的用法和样例:

例句

  1. The present invention relates to a method for well cementing assisted by grout inflatable external packer.
    本发明涉及一种用水泥浆胀封管外封隔器辅助固井的方法。

external casing packer的相关资料:

临近单词

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