room-and-pillar mini
查询英语单词中文释义、音标、发音和例句。
room-and-pillar mining
英
[room-and-pillar mining]
美
[room-and-pillar mining]
中文释义
un. 房柱法开采
[网络] 房柱式采煤法;房柱式开采
单词分析
单词结构:
room-and-pillar mining
字母数:22
记忆提示
🎯 重点记忆:
- 单词拼写:room-and-pillar mining
- 核心含义:un. 房柱法开采 [网络] 房柱式采煤法;房柱式开采
- 相关含义:房柱式开采
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更新时间:2026-09-02 05:14:02