hydraulic coal mine

英 [hydraulic coal mine]
美 [hydraulic coal mine]

中文释义

水力采煤矿井

单词分析

单词结构：

hydraulic coal mine

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：hydraulic coal mine
  • 核心含义：水力采煤矿井

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更新时间：2026-02-06 06:13:23