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单项选择题

板厚1.6mm,V-CUT角度要求为()±5°,V-CUT残厚要求为()±0.1mm;板厚2.0mm,V-CUT角度要求为()±5°,V-CUT残厚要求为()±0.1mm。

A.30°,0.4mm;45°,0.4mm
B.30°,0.4mm;30°,0.4mm
C.45°,0.5mm;45°,0.5mm
D.30°,0.4mm;30°,0.5mm

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