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run of mine coal seam
run of mine coal seam
英
[run of mine coal seam]
美
[run of mine coal seam]
中文释义
[矿业] 原煤层
单词分析
单词结构:
run of mine coal seam
字母数:21
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🎯 重点记忆:
单词拼写:run of mine coal seam
核心含义:[矿业] 原煤层
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更新时间:2026-04-14 18:00:41