用1:250的比例画图 物体上2米长的线段应画多少? How long will you draw in a sheet of two mete
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用1:250的比例画图,物体上2米长的线段应画多少? How long will you draw in a sheet of two meters long with scale of 1:250 ?
A.250mm
B.80mm
C.4mm
D.8mm

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8mm
