This paper introduces the process of making "nine dragon" tripod vessel and describes the technology and key for casting the body by lost wax pattern plaster mold process in detail.

前言：简述了“九龙鼎”的制作过程，详细介绍了用熔模石膏型铸造大型鼎身的工艺及要点。

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Using proper baking and pouring process for plaster mold, the castings with qualified size and good surface quality could be obtained.

在此基础上，对工作石膏型采用合理的烘烤和浇注工艺，得到了尺寸合格、表面质量好的铸件。

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Using proper baking and pouring process for plaster mold, the castings with qualified size and good surface quality could be obtained.

在此基础上，对工作石膏型采用合理的烘烤和浇注工艺，得到了尺寸合格、表面质量好的铸件。

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