tight manhole cover

[tight manhole cover]
[tight manhole cover]

中文释义

密封式入井盖板;检查井密盖

单词分析

单词结构:

tight manhole cover

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:tight manhole cover
  • 核心含义:密封式入井盖板;检查井密盖