A、0.1~0.2mm
B、0.2~0.3mm
C、0.3~0.4mm
D、0.4~0.5mm
答案:B
A、0.1~0.2mm
B、0.2~0.3mm
C、0.3~0.4mm
D、0.4~0.5mm
答案:B
A. 15m
B. 20m
C. 25m
D. 50m
A. 0mm
B. 8mm
C. 15mm
D. 25mm
A. 1mm
B. 2mm
C. 0.5mm
D. 1.5mm
A. 142mm
B. 152mm
C. 160mm
D. 180mm
A. 5mm
B. 8mm
C. 10mm
D. 12mm