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
问题:机床分若干种,其中C表示(),Z表示(),X表示(),M表示()。...
Monday, June 26, 2023
Thursday, June 22, 2023
Monday, October 16, 2023
Saturday, September 10, 2022
问题:在划线工序中,找正和()两个过程是有机结合在一起的。...
Wednesday, June 14, 2023
Monday, October 16, 2023
Thursday, March 7, 2024
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, September 13, 2022
Thursday, March 7, 2024
Thursday, November 3, 2022
Saturday, September 10, 2022
Thursday, February 1, 2024
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...
Thursday, October 13, 2022
Thursday, March 7, 2024
Wednesday, June 7, 2023
Thursday, February 1, 2024
Tuesday, September 13, 2022
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