positive speed gearbox

英 [positive speed gearbox]
美 [positive speed gearbox]

中文释义

减速箱

单词分析

单词结构：

positive speed gearbox

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：positive speed gearbox
  • 核心含义：减速箱

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更新时间：2026-03-22 06:45:43