penstock on downstream dam surface

[penstock on downstream dam surface]
[penstock on downstream dam surface]

中文释义

坝后背管

单词分析

单词结构:

penstock on downstream dam surface

字母数:34

记忆提示

🎯 重点记忆:

  • 单词拼写:penstock on downstream dam surface
  • 核心含义:坝后背管