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roof-bolt head
roof-bolt head
英
[roof-bolt head]
美
[roof-bolt head]
中文释义
顶板锚头;洞顶锚栓头
单词分析
单词结构:
roof-bolt head
字母数:14
记忆提示
🎯 重点记忆:
单词拼写:roof-bolt head
核心含义:顶板锚头;洞顶锚栓头
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更新时间:2026-04-13 22:45:18