问题:攻普通螺纹时,底孔直径的确定,在钻钢材时,其经验公式是(),钻铸...
Sunday, September 11, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:测量工件外尺寸时,游标卡尺测量面的连线应()于被测量表面。...
Friday, September 16, 2022
问题:只能測定零件或产品的形状、尺寸是否合格不能测出具体尺寸的量具有(...
Sunday, September 11, 2022
Friday, September 16, 2022
Saturday, September 17, 2022
问题:圆柱齿轮啮合质量检查中,采用铅丝的直径一般不超过最小侧隙的()倍...
Monday, September 12, 2022
问题:在尺寸链中,当其他尺寸确定后,新增加的1个环,是()。...
Friday, September 16, 2022
Monday, September 12, 2022
问题:相关原则是图样上给定的()两个相互有关的公差原则。...
Friday, September 16, 2022
问题:一般从生产工序在()上的结合方式来研究生产过程的时间问题。...
Friday, September 16, 2022
Friday, September 16, 2022
问题:在铁碳合金中,()中的碳以团絮状石墨的形式存在,它的强度比灰口铸...
Sunday, September 11, 2022
问题:修正砂轮一般使用()。A、油石B、金刚石C、硬质合金刀D、大理石...
Sunday, February 4, 2024
问题:任何工件在空间,不加任何约束,它有()个自由度。...
Friday, September 16, 2022
问题:在安放百分表、千分表和杠杆表等量具时,应使其测头运动方向()于被...
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022