underhand longwall
查询英语单词中文释义、音标、发音和例句。
underhand longwall
英
[underhand longwall]
美
[underhand longwall]
中文释义
下向梯段式长壁回采
单词分析
单词结构:
underhand longwall
字母数:18
记忆提示
🎯 重点记忆:
- 单词拼写:underhand longwall
- 核心含义:下向梯段式长壁回采
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更新时间:2026-08-28 06:19:19