单项选择题
A.1.3mm B.1.5mm C.2.5mm D.4mm
A.0.1mm B.0.15mm C.0.25mm D.0.3mm
A.1.3mm B.1.5mm C.2mm D.4mm
A.2QHJ B.2QH、2H C.4Q、4H D.2QH
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