Shell core and cold box coremaking are the main technique at present.
目前制芯工艺主要采用壳芯和冷芯盒制芯技术。
The relation of the two is that of shell and core.
两者是“外壳”与“内核”的关系。
The component is divided into shell and core two parts.
组件分为外壳和内核两个部分。
The component is divided into shell and core two parts.
组件分为外壳和内核两个部分。
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