This position need to make a pole for gating because there have no enough space for hot sprue.
由于此处没有足够空间下热咀，所以需做一个柱子进胶。
The paper analyzes the design optimization of core box using coated sand in Z8040 hot box core shoot machine to make the cylinder block cores and sprue cores.
分析Z8040射芯机用覆膜砂热芯盒法制作气缸体前后端面芯及其浇口砂芯优化设计方案。
The paper analyzes the design optimization of core box using coated sand in Z8040 hot box core shoot machine to make the cylinder block cores and sprue cores.
分析Z8040射芯机用覆膜砂热芯盒法制作气缸体前后端面芯及其浇口砂芯优化设计方案。
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