We will create a strong brand –"J. S. Machine" in the casting area with the support and trust from customers around the world.
在铸造领域内，有来自全球客户的支持与信赖，我们将共同缔造一个强大的品牌——“京山轻机”。
Changing the sea route or trough; Demarcating, changing, or canceling a restricted navigation area, mud casting area, aquatics breeding area, speed testing area, or water entertainment area;
改变航道、航槽；划定、改动或撤销禁航区、抛泥区、水产养殖区、测速区、水上娱乐区；
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
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