制造方法：手板模型通常通过手工或辅助工具（如车床、铣床、切割机等）进行切削、修整、粘接等加工工艺来制造产品原型。而3D打印技术则是通过将数字模型分层逐层堆积材料来制造产品原型。

Manufacturing method: Prototype models are usually manufactured through manual or auxiliary tools (such as lathes, milling machines, cutting machines, etc.) for cutting, trimming, bonding, and other processing techniques. 3D printing technology, on the other hand, manufactures product prototypes by layering digital models and stacking materials layer by layer.

材料选择：手板模型在制造过程中可以使用各种材料，如木材、塑料、金属等。而3D打印技术由于打印设备的限制，通常只能使用特定类型的材料，如塑料、尼龙、金属粉末等。

Material selection: The prototype model can use various materials during the manufacturing process, such as wood, plastic, metal, etc. Due to the limitations of printing equipment, 3D printing technology can usually only use specific types of materials, such as plastic, nylon, metal powder, etc.

哈希28单双制造精度：手板模型由于是手工或辅助工具操作，制造精度受到技术工人的技能和经验影响，一般精度相对较低。而3D打印技术可以实现更高的制造精度，能够制作更精细、更复杂的产品原型。

Manufacturing accuracy: Due to manual or auxiliary tool operation, the manufacturing accuracy of prototype models is influenced by the skills and experience of technical workers, and generally has relatively low accuracy. 3D printing technology can achieve higher manufacturing accuracy and produce finer and more complex product prototypes.

制造时间：手板模型通常需要较长的制造时间，特别是对于较复杂的产品原型。而3D打印技术由于其自动化的特性，能够在较短的时间内完成产品原型的制造。

哈希28单双Manufacturing time: Prototype models usually require a longer manufacturing time, especially for more complex product prototypes. Due to its automated nature, 3D printing technology can complete the manufacturing of product prototypes in a relatively short period of time.

哈希28单双成本：手板模型的制作需要较多的人工操作和设备投入，因此成本较高。而3D打印技术由于其自动化和性，能够降低制造成本。

哈希28单双Cost: The production of prototype models requires a significant amount of manual labor and equipment investment, resulting in higher costs. 3D printing technology, due to its automation and efficiency, can reduce manufacturing costs.

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