单项选择题
A.1mm B.2mm C.3mm D.4mm
A.0.1-0.2mm B.0.2-0.3mm C.0.3-0.4mm D.0.4-0.5mm
A.齐全、完整 B.完整、准确 C.齐全、完整、准确 D.准确、齐全
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