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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The molding sand that there is pile in the housing of engine and cast core iron.

发动机的机壳里有大堆的型砂和铸造芯铁.

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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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This paper deals with a measuring method and tester for the three properties of molding sand.

本文研究一种湿型砂三性能自动快速测定方法及其测定仪.

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A new intelligent multi - properties tester of molding sand is introduced in this paper.

介绍了一种新型的智能化铸造型砂多项力学性能测试系统.

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