这样设计简化了模具结构，缩短了流道的长度，减小了模具体积和质量，降低了模具制造成本。
Such a design shortened the length of runner, decreased the weight and volume of the mold, and reduced the fabricating cost.
这样设计简化了模具结构，缩短了流道的长度，减小了模具体积和质量，降低了模具制造成本。
Such a design shortened the length of runner, decreased the weight and volume of the mold, and reduced the fabricating cost.
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