When the runner cup is used, the inner stepped hole arranged at the bottom of the runner cup is inserted into the downsprue of the lost foam.

使用时只需将浇口杯底部的内台阶孔插在消失模的直浇道上即可。

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The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the rin…

基于阶梯孔环件轧制体积流动规律，提出了阶梯孔环件轧制用毛坯设计原理和方法，并进行了轧制实验验证。

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The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the ring rolling experiment is …

基于阶梯孔环件轧制体积流动规律，提出了阶梯孔环件轧制用毛坯设计原理和方法，并进行了轧制实验验证。

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Returning to the grass track of his youth, he stepped in a hole and injured his hip, though it has recovered.

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The blast knocked out the front of the building, and he stepped through the gaping hole.

CNN: 2 missing, 14 hurt in Kansas City gas explosion