rock bit sharpening
查询英语单词中文释义、音标、发音和例句。
rock bit sharpening machines
英
[rock bit sharpening machines]
美
[rock bit sharpening machines]
中文释义
[机] 矿井钻头刃磨床
单词分析
单词结构：
rock bit sharpening machines
字母数：28
记忆提示
🎯 重点记忆：
- 单词拼写：rock bit sharpening machines
- 核心含义：[机] 矿井钻头刃磨床
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更新时间：2026-09-01 16:37:00