单项选择题
A.0.15-0.20 B.0.35-0.40 C.0.25-0.30 D.0.45-0.50
A.120°C~140° B.160°C~170° C.130°C~150° D.180°C~220°
A.胶水温度偏高 B.胶水温度偏低 C.商标纸重偏大