| 释义 |
1 ?品位 very 短，很简单的衣服 OFF GRADE ? 品位 Yes, we can provide. ? 是的，我们可以提供。 2 ?过职系 ... no one's gonna do it for you ? 如果你不喜欢的人你应该成为不做一些事情,那么,贝库斯没有人的要做它为你 OFF GRADE ? 过职系 Talk with you, I am angry! ? 与你交谈，我生气 ！
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They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit. 这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。 - 2
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China. 采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。 - 3
It is concluded that location of foot-wall drawing points are closely related to orebody dip, cut-off grade and ore grade of wall rock. 认为下盘放矿点位置与矿体倾角、放矿截止品位、围岩含矿品位有着密切的关系。
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