载金矿物为沿糜棱面理分布的细粒黄铁矿、动态重结晶石英集合体及铁白云石。
Gold carrier minerals are fine-grained pyrite, recrystallized quartz aggregates, and ferrodolomite along foliations of mylonite.
在以圆弧代替渐开线的基础上，导出了蜗轮齿侧棱面高度及数目的计算方法及影响他们的因素。
Based on the arc substituting involute, the paper introduces a method for calculating the height and number of prisms in worm gear surface as well as the factors effecting them.
滚削蜗轮时，其齿侧面为滚刀切削刃在一系列不同位置的包络面，因而不可避免地要产生棱面。
The surface of worm gear is formed by the different positions of worm wheel hob generated as machining. So prisms are inevitably produced.
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