Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Sunday, September 11, 2022
润滑油使用应实行三级过滤,各级过滤使用的网目数是()、()、()...
Sunday, September 11, 2022
Sunday, September 11, 2022
圆锥齿轮接触斑点的检查,空载时,接触斑点的正确位置应靠近轮齿的(...
Friday, September 16, 2022
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
锉刀分()锉、()锉和()锉三类。按其规格分为锉刀的()规格和锉...
Thursday, September 15, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
()由百分表和专用表架组成,用于测量孔的直径和孔的形状误差。...
Tuesday, September 13, 2022
Sunday, September 11, 2022
机床上常用的高压软管接头,它的最高工作压力可达()MpA。...
Monday, September 12, 2022
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
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
Friday, September 16, 2022
Friday, September 16, 2022