screw-down non-return valve

[screw-down non-return valve]
[screw-down non-return valve]

中文释义

un. 螺旋止回阀 [网络] 截止止回阀

单词分析

单词结构:

screw-down non-return valve

字母数:27

记忆提示

🎯 重点记忆:

  • 单词拼写:screw-down non-return valve
  • 核心含义:un. 螺旋止回阀 [网络] 截止止回阀