vertical shaft devel

查询英语单词中文释义、音标、发音和例句。

vertical shaft development
英 [vertical shaft development]
美 [vertical shaft development]

中文释义

立井开拓

单词分析

单词结构：

vertical shaft development

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：vertical shaft development
  • 核心含义：立井开拓

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更新时间：2026-09-21 03:45:21