Saturday, November 11, 2023
Monday, September 23, 2024
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,以防止切削堵塞。
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:机件与视图处于()关系的平面或直线,它在该视图上反映实形。A、垂直B、平行C、倾斜D、平行或垂直
Monday, September 2, 2024
Sunday, September 11, 2022
Saturday, November 5, 2022
Wednesday, July 31, 2024
问题:金属切削机床使用的是()电动机。A、直流B、交直流C、同步D、异步
Sunday, September 11, 2022
Saturday, January 6, 2024
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
Sunday, September 11, 2022
Sunday, September 11, 2022
Tuesday, September 13, 2022
Sunday, March 12, 2023
Monday, June 17, 2024
Sunday, September 11, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022