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过去描繪暈滃綫(平行、垂直或交叉斜綫等),一般都用兩个三角板推画,为了掌握适当距离,还須用尺先把距离点好,稍不注意,尺一錯动就很难得出标准的符号。如对儲量报告圖紙,在矿塊边界綫画好后,要用各种平行綫条来表示矿級符号,画的如果偏扭,則易使矿級符号混淆不清。我們在实际工作中創造了暈滃綫的画法,不但提高了工作效率,而且保証了質量。
In the past, depictions of halo lines (parallel, vertical or crossed slashes, etc.) are generally used to draw the two deltoids, in order to grasp the appropriate distance, the distance must be the first point with a good point, a little careless, a ruler is very ruler Hard to get the standard symbol. Such as the reserve report drawings, drawn in the nugget border line, we should use a variety of parallel lines to represent the mine-level symbols, painting if the partial twist, then easy to make mine-level symbols confused. In the actual work we have created a halo of painting, not only to improve work efficiency, but also to ensure the quality.