运用大孔出流理论设计了顶注压边浇冒口系统。
Based on the large orifice discharge theory, the kiss gating system of the casting was designed.
而且浇冒口比较笨重，浪费大量金属液，出品率低。
Moreover the casting head is quite unwieldy, waste massive molten metals, the product rate is low.
本文还对该浇冒口系统提高补缩效果的原因进行了初步分析。
The cause of the effect of shrinkage improvement in this pouring system is also analysed.
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