roller operated valve

[roller operated valve]
[roller operated valve]

中文释义

滚子操纵的阀

单词分析

单词结构:

roller operated valve

字母数:21

记忆提示

🎯 重点记忆:

  • 单词拼写:roller operated valve
  • 核心含义:滚子操纵的阀