答案:解构手柄圆销
A. 850mm~900mm
B. 850mm~910mm
C. 830mm~890mm
D. 830mm~900mm
A. 5m
B. 8m
C. 10m
A. DC500V~DC660V
B. DC400V~DC660V
C. DC400V~DC600V
D. DC500V~DC600V
A. 50mm
B. 60mm
C. 70mm
D. 40mm