bottom water ballast

英 [bottom water ballast]
美 [bottom water ballast]

中文释义

双层底水压载

单词分析

单词结构：

bottom water ballast

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：bottom water ballast
  • 核心含义：双层底水压载

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更新时间：2026-02-01 11:10:10