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()。https://assets.asklib.com/psource/2015033016031617064.jpg

A . 102.36mm,56.17mm B . 115.40mm,53.80mm C . 77.60mm,48.20mm D . 108.03mm,52.02mm

时间:2022-10-17 21:57:11 所属题库:装配钳工考试题库

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