backward stroke of the piston

英 [backward stroke of the piston]
美 [backward stroke of the piston]

中文释义

活塞回程

单词分析

单词结构：

backward stroke of the piston

字母数：29

记忆提示

🎯 重点记忆：

  • 单词拼写：backward stroke of the piston
  • 核心含义：活塞回程

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更新时间：2025-12-09 16:30:26