The pipelines arranged in the mold must be rational so that temperature can rise or drop quickly.

模具内部开设管道必须合理，以确保可以快速升温和降温。

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The pipelines arranged in the mold must be rational so that temperature can rise or drop quickly.

模具内部开设管道必须合理，以确保可以快速升温和降温。

youdao