A、+3mm,-3mm
B、+10mm,-10mm
C、+5mm,-5mm
D、+10mm,-5mm
答案:D
A、+3mm,-3mm
B、+10mm,-10mm
C、+5mm,-5mm
D、+10mm,-5mm
答案:D
A. 5m
B. 10m
C. 15m
D. 20m
A. 600mm
B. 595.2mm
C. 568.2mm
D. 543.5mm
A. 600
B. 900
C. 1200
D. 1600
A. 250
B. 500
C. 800
D. 1000