sinking open caisson by undrained dredging

[sinking open caisson by undrained dredging]
[sinking open caisson by undrained dredging]

中文释义

不排水下沉沉井

单词分析

单词结构:

sinking open caisson by undrained dredging

字母数:42

记忆提示

🎯 重点记忆:

  • 单词拼写:sinking open caisson by undrained dredging
  • 核心含义:不排水下沉沉井