large main valve piston ring

[large main valve piston ring]
[large main valve piston ring]

中文释义

主阀大活塞环

单词分析

单词结构:

large main valve piston ring

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:large main valve piston ring
  • 核心含义:主阀大活塞环