问题:攻螺纹的刀具为()A、丝锥B、板牙C、麻花钻D、铰刀...
Sunday, May 7, 2023
Sunday, March 12, 2023
Saturday, November 11, 2023
Sunday, September 11, 2022
问题:工件沿着平板全部表面进行画圆圈形运动轨迹进行着色研磨。...
Sunday, September 11, 2022
问题:模具的工艺装备制造,检验,装配是指在最后工作位置时,上下模板之间...
Sunday, September 11, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
问题:我们通常使用的MIG氩弧焊接属于()。A、熔化极惰性气体保护电弧焊B、熔化极活性气体保护电弧焊C、非熔化极惰性气体保护电弧焊D、非熔化极活性气体保护电弧焊...
Sunday, April 6, 2025
问题:粗牙普通螺纹大径为20,螺距为2.5,中径和顶径公差带代号均为5...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Friday, August 1, 2025
Monday, April 1, 2024
Tuesday, September 13, 2022
Sunday, September 11, 2022
Monday, August 14, 2023
Monday, June 16, 2025
Wednesday, August 16, 2023
Sunday, September 11, 2022
Wednesday, July 24, 2024