coal roadway support
煤巷支护
coal roadway support中文，coal roadway support的意思，coal roadway support翻译及用法
2026-06-20 20:49 浏览次数 22
coal roadway support 例句
英汉例句
this paper theoretically analyzes the mechanism of truss bolt system, and gives the design of coal roadway support according to the characteristics of the 「three-soft」 coal roadway.
从理论上分析了桁架锚桿系统的作用机理，并针对「三软」全煤巷道的特点，制定了全煤顺槽桁架支护方案。
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