The majority of resistance comes from the neighboring hot molding sand layer.

滑移的阻力主要来自相邻的干砂层.

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TianHuang Gaoshan mountain stream. It is the monazite stone in ancient sand layer.

田黄藏于寿山山溪两旁水田底层, 是古砂层中的零散石块.

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The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases.

阻力随干砂层长细比的增加而急剧减小.

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When the seam was extracted, water from the sand layer penetrated into some coal faces.

煤层开采后, 一些工作面出现了砂层水渗入井下的现象.

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