德国的约翰古腾堡(John Gutenberg)是首位使用金属字体来印刷的发明者。
John Gutenberg, in Germany, was the first person to make letters for printing.
最好采用金属叶片，因为它能保持均匀的边缘和印刷角度。
Metal blades are best because they will maintain a consistent edge and print Angle.
最好采用金属叶片，因为它能保持均匀的边缘和印刷角度。
Metal blades are best because they will maintain a consistent edge and print Angle.
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