The feeding head shape of a die and a streamlined sprue runner were designed after an analysis on the cross sectional shape and the extrusion forming ability of PA66 material.
通过对异型材截面形状及原材料挤出成型性能分析，设计了正确的口模形状及合理的流线形流道；
After being flooded, the big line-shape stone shows up a little, just like a dragon who does not show up head and tail but only back of the body, forming a scene that the dragon is dallied by shrimp.
大水淹没这里之后，条形大石只露出一点，如同神龙不露收亦不露尾只露背脊，形成龙游浅滩遭虾戏的趣景。
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