分析和探讨可铸铁电力金具在铸造生产中，产生热裂和冷裂的原因；
The Primary causes inducing the hot and cold cracks of electric power fitting products of malleable cast iron in casting process are analyzed and discussed.
结果表明，TCS钢具有良好的抗冷裂敏感性和抗结晶热裂敏感性能。
The results showed that TCS steel had good cold cracking resistance and crystal hot cracking resistance.
并从理论研究和生产实践的角度，综述防止热裂和冷裂产生的方法和具体措施。
From the angles of theoretical study and manufacturing practice, the basic method and specific measure of preventing hot and cold cracks are summarized.
白色的雪峰做成的围墙，冷裂的寒风装成的玻璃，远看而去真的美的让人掉眼泪，雪…
White snow peak succeed in making up the enclosing wall, cools the cold …
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off, of produced gas hole and cold crack. Especially, the writer has fourd the way to avoid them.
采用七种高纤维素型立向下电焊条，通过斜y坡口裂纹实验，对高强管线钢的冷裂敏感性进行实验研究。
The cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.
结果表明：采用HTG - 1焊条可以有效地降低该钢焊接冷裂纹敏感性；预热温度增加，抗冷裂效果更好。
The results show that using HTG-1 electrode may effectively decrease welding cold crack sensitivity of the steel, and the sensitivity to cold crack decreases as preheating temperature increases.
结果表明，冷扩张过程所引入的切向残余压应力能保持足够的强度，以对钢轨螺栓孔起到显著的防裂和止裂作用。
It is concluded that, the residual stress induced by cold expansion can maintain enough strength to prevent and retard fatigue crack initiation and growth in rail bolt hole.
采用抽换散热单节进行中冷器修复后无裂漏，并降低了检修成本。
Using replacement of cooling section to repair intercooler resulted in free crack and leakage, and lower maintenance cost.
采用抽换散热单节进行中冷器修复后无裂漏，并降低了检修成本。
Using replacement of cooling section to repair intercooler resulted in free crack and leakage, and lower maintenance cost.
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