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coalface support
coalface support
英
[coalface support]
美
[coalface support]
中文释义
[矿业] 回采工作面支护
单词分析
单词结构:
coalface support
字母数:16
记忆提示
🎯 重点记忆:
单词拼写:coalface support
核心含义:[矿业] 回采工作面支护
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更新时间:2026-02-17 11:34:01