oval manhole jointing

[oval manhole jointing]
[oval manhole jointing]

中文释义

椭圆人孔垫圈

单词分析

单词结构:

oval manhole jointing

字母数:21

记忆提示

🎯 重点记忆:

  • 单词拼写:oval manhole jointing
  • 核心含义:椭圆人孔垫圈