self expanding piston ring

英 [self expanding piston ring]
美 [self expanding piston ring]

中文释义

un. 自动伸缩活塞环

单词分析

单词结构：

self expanding piston ring

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：self expanding piston ring
  • 核心含义：un. 自动伸缩活塞环

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更新时间：2026-03-21 00:08:29