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stull piece
释义
stull piece
stull piece
[
′stəl ‚pēs
]
(mining engineering)
A piece of timber placed slanting over the back of a level to prevent rock falling into the level from the stopes above.
Timbers bracing the platform of a stull.
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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/11 11:41:53