单项选择题
A.82~86 B.78~89 C.93~98 D.60~65
A.1400mm B.1450mm C.1420mm D.1500mm
A.1.0~1.5 B.0.7~1.0 C.0.8~1.2 D.3.5~5.0
A.1.0~1.5mm B.0.7~1.0mm C.0.8~1.2mm D.0.5以下
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