Tuesday, September 13, 2022
Tuesday, September 20, 2022
Sunday, January 19, 2025
Thursday, November 3, 2022
问题:工具制造厂出厂的标准麻花钻,顶角为()。A、110º±2ºB、118º±2ºC、125º±2º
Tuesday, September 10, 2024
Wednesday, June 14, 2023
Thursday, July 25, 2024
Monday, November 4, 2024
Tuesday, October 8, 2024
Tuesday, September 13, 2022
Monday, October 16, 2023
Thursday, February 1, 2024
Thursday, June 22, 2023
Monday, October 16, 2023
Sunday, June 23, 2024
问题:溢流阀的作用是配合油泵等,溢出系统中多余的油液,使系统保持一定的()。A、压力B、流量C、流向D、清洁度
Sunday, November 12, 2023
问题:写出下列钢的代号:45号钢是();碳8钢是();65锰是()。
Monday, June 26, 2023
Sunday, January 19, 2025
问题:錾子后角的作用是减小后刀面与工件切削面之间的摩擦,引导錾子顺利錾削。
Thursday, March 7, 2024
Tuesday, October 22, 2024