问题:机床开动时,需要用量具测量工件,保证工具加工尺寸。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
Sunday, March 12, 2023
问题:钻削中,变换主轴转速和进给量时,不需要停车,可直接调整。...
Wednesday, August 16, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:一对互相啮合的齿轮,它们的()必须相等。A、分度圆直径B、齿数C、模数与齿数D、模数与压力角...
Saturday, January 6, 2024
Tuesday, September 13, 2022
Sunday, September 11, 2022
Saturday, November 5, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:平行光管在精密机床制造中,主要用来和()相配合,组成光学系统。A、经纬仪B、水平仪C、比较仪...
Wednesday, August 16, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:锉削有色金属等材料时,应该尽量选用双齿纹锉刀或者细齿锉刀,以防止...
Sunday, September 11, 2022
Wednesday, April 19, 2023
问题:3040型摇臂钻床主轴前端有一()号莫氏锥孔。A、2B、3C、4D、5...
Tuesday, January 9, 2024