多项选择题
A.1:20B.1:200C.1:2000D.1:20000
A.工程计划号B.设计阶段代号C.专业代号D.图纸代号
A.0.25mm,0.3mm,0.35mmB.0.25mm,0.5mm,1.0mmC.0.5mm,0.6mm,0.7mmD.0.35mm,0.7mm,1.4mm