初级车辆钳工考试单项选择题每日一练(2017.06.01)

A.淬火+正火
B.淬火+低温回火
C.淬火+高温回火
D.淬火+中温回火

A.0.1～0.2mm
B.0.2～0.25mm
C.0.25～0.5mm
D.0.5～0.6mm

A.25
B.28
C.32
D.48

A.1kPa
B.1.5kPa
C.2kPa
D.3kPa

A.20mm
B.30mm
C.40mm
D.50mm