热盒制芯
Hot box core making
以上为机器翻译结果，长、整句建议使用 人工翻译 。
综合评价了小型液压阀体铸件型芯的芯砂材料，介绍了覆膜砂热芯盒设计特点以及覆膜砂制芯设备等。
Sand mixtures of cores for small hydraulic valves casting were reviewed. Design of hot boxes and equipments for production of coated sand cores were described.
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