深度游标卡尺尺身和尺框测量面的表面粗糙度用表面粗糙度样块比较检定。对于分度值为0.0 发布时间:2017-05-18 11:19 │ 来源:www.tikuol.com 题型:单项选择题 问题: 深度游标卡尺尺身和尺框测量面的表面粗糙度用表面粗糙度样块比较检定。对于分度值为0.02mm的Ra值不大于()。A.0.32μmB.0.20μmC.0.16μm
题型:单项选择题 It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ________ the specialized rules.A.give upB.stick toC.insist onD.connect to 查看答案