permanent type production packer

英 [permanent type production packer]
美 [permanent type production packer]

中文释义

[油气] 不可取出式封隔器

单词分析

单词结构：

permanent type production packer

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：permanent type production packer
  • 核心含义：[油气] 不可取出式封隔器

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更新时间：2026-01-31 21:06:53