单项选择题
A.5~10 B.10~15 C.20~30 D.25~35
A.什锦锉 B.平锉 C.半圆锉 D.油光锉
A.0.8mm~1.5mm B.0.2mm~0.8mm C.0.5mm~1.0mm D.1.5mm~2.0mm
A.1.1mm B.1.2mm C.1.3mm D.1.4mm
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