large main valve piston ring

英 [large main valve piston ring]
美 [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

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更新时间：2026-02-03 17:38:16