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来源：雅诚德英语网
Car companies already use 3D printers to make life-size models of car parts, and medical companies use the technology to make man-made body parts.
汽车公司已经在使用3D打印机制作真实大小的汽车零件模型，医疗公司也在使用这项技术制造人造身体部件。
Car companies already use 3D printers to make life-size models of car parts, and medical companies use the technology to make man-made body parts.
汽车公司已经在使用3D打印机制作真实大小的汽车零件模型，医疗公司也在使用这项技术制造人造身体部件。