perforated casing

[perforated casing]
[perforated casing]

中文释义

带眼的套管

单词分析

单词结构:

perforated casing

字母数:17

记忆提示

🎯 重点记忆:

  • 单词拼写:perforated casing
  • 核心含义:带眼的套管