生产矿井采掘设计图的套晒复制法(简称套晒法)。是用普通绘图笔或可在玻璃、陶磁、铁器上描绘线条的特种铅笔,将准备设计的工程及文字符号,一并描绘在光面透明的聚脂薄膜上(若着墨不佳,还可用有机墨汁描);然后,将此透明薄膜与供设计用的半透明的磨面聚脂薄膜或硫 Production of mine excavation diagram sets sun drying copy method (referred to as sunscreen method). Is the use of ordinary drawing pen or glass, ceramic, iron, drawing lines on the special pencil, the design of the project to be prepared and the text symbols, together with the glossy transparent polyester film (if the ink is not good, but also organic Ink line); then, this transparent film and design for translucent grinding mylar or sulfur