Thursday, September 22, 2022
问题:测量孔径磨耗以深入孔内10mm处为准,零部件孔深小于15mm者,深入孔内1/3处测量。() ...
Monday, May 2, 2022
问题:大型铸件出现裂缝,若冷件加工,钳工就要在裂缝尽头钻断缝孔, 然后再以加强板( ),也可以用金属扣合 ...
Saturday, April 30, 2022
Thursday, September 22, 2022
Monday, May 2, 2022
Thursday, September 22, 2022
Monday, May 2, 2022
Thursday, September 22, 2022
问题:连续排污的目的是排出炉水中熔解的部分盐分。() ...
Friday, April 29, 2022
Sunday, May 1, 2022
问题:在刀具半径补偿进行的程序段中,不能再出现G02,G03的圆弧插补。 ...
Thursday, September 22, 2022
问题:YG类的硬质合金刀具含钴量越高,韧性越好,适于粗加工。 ...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:利用多孔插盘分线精度较高,操作简便,是一种较理想的分线方法。 ...
Thursday, September 22, 2022
问题:当机房中发生特殊情况时,方可采用( )。A.紧急停机处理B.紧急停电处理C.全部撤出机房D.部分人撤出 ...
Monday, May 2, 2022
问题:型砂应满足的性能要求是透气性、()、可塑性()及强度。 ...
Saturday, April 30, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:()在加工时形成一个统一的整体,称为工艺系统。 ...
Sunday, May 1, 2022
Friday, April 29, 2022