单项选择题
A.5B.7C.3D.11-15
A.5B.7C.8~10D.11~13
A.260mmB.150mmC.50mmD.14mm
A.锋刃露出较大,刨屑较厚B.锋刃露出较小,刨屑较薄C.锋刃露出极小,刨屑极薄D.刨台薄,刃宽,不装把
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