单项选择题
A.0.2-2mm B.0.5-2.5mm C.0.5-3mm D.0.5-1.5mm
A.500mmX800mm B.750mmX800mm C.650mmX800mm D.650mmX1000mm
A.0.3-2mm B.0.5-2.5mm C.0.5-3mm D.5-4mm
A.2 B.3 C.5 D.4
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