中级镀锡工单项选择题每日一练(2019.01.23)

A.0
B.50
C.100
D.150

A.+/-5mm
B.+/-2mm
C.+/-1mm
D.+/-3mm

A.1300mm
B.1080mm
C.1200mm
D.1000mm

A.0.80mm
B.0.50mm
C.0.10mm
D.0.08mm

A.皮带助卷机
B.带钢表面缺陷检测仪
C.针孔仪
D.测厚仪