roof bolting
查询英语单词中文释义、音标、发音和例句。
roof bolting
英
[roof bolting]
美
[roof bolting]
中文释义
顶板锚杆支护
单词分析
单词结构:
roof bolting
字母数:12
记忆提示
🎯 重点记忆:
- 单词拼写:roof bolting
- 核心含义:顶板锚杆支护
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更新时间:2026-09-21 10:22:02