roller-cone core bit
查询英语单词中文释义、音标、发音和例句。
roller-cone core bit
英
[roller-cone core bit]
美
[roller-cone core bit]
中文释义
牙轮岩心钻头
单词分析
单词结构:
roller-cone core bit
字母数:20
记忆提示
🎯 重点记忆:
- 单词拼写:roller-cone core bit
- 核心含义:牙轮岩心钻头
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更新时间:2026-08-31 05:16:40