单项选择题
A.0 B.50 C.100 D.150
A.Alkali Cleaning Tank B.Alkali Dunk Tank C.Alkali Rinse Tankl D.Brush Scrubber Tank
A.皮带助卷机 B.带钢表面缺陷检测仪 C.针孔仪 D.测厚仪