英语单词大全
英语单词大全

pit prop

/pit prɔp/

中文翻译

n. 矿柱, 支护, 岩钉; 坑木

相关词组

1

pit props

矿井支撑物,坑木

今日更新

更新时间：2025-12-05 01:41:08
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