单项选择题
如图所示;用游标深度尺测得55°的燕尾槽的深度是40mm,用直径为30mm的圆棒做测量棒,测得两圆棒之间的距离为20.40mm,求燕尾槽槽底A和槽口B的宽度()。
A.102.36mm,56.17mm
B.115.40mm,53.80mm
C.77.60mm,48.20mm
D.108.03mm,52.02mm
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单项选择题
如图所示;用游标深度尺测得55°的燕尾槽的深度是40mm,用直径为30mm的圆棒做测量棒,测得两圆棒之间的距离为20.40mm,求燕尾槽槽底A和槽口B的宽度()。
A.102.36mm,56.17mm
B.115.40mm,53.80mm
C.77.60mm,48.20mm
D.108.03mm,52.02mm
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