there are two structure characteristics were put forwardincluding the integer side core-pulling mechanism of the half block with mold cavity and the demoulding mechanism of the pin-point gate using single parting surface
提出了带模腔的半块整边抽芯机构和单分型面针浇口脱模机构两种结构特点
以上为机器翻译结果，长、整句建议使用 人工翻译 。