n. kerve
misc. pull trough
文章详细信息 关键词: 高陡边坡;;爆破;;安全防护;;拉槽 [gap=337]Keywords: high and steep side slope,blasting,safety protection,broached groove
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我们可以把换向器光车并拉槽。
因此,在铣背拉槽环节中应注意以下几点。
Therefore, in the milling back trenching session should note the following points.
叙述了无切巷拉槽采矿方法的施工工艺、机理、优点及产生的经济效益。
The construction process, mechanism, advantages of and economic profit got from the no-cut gallery mining method are outlined.
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