问题:可编程序控制器程序的梯形图和功能块图都可以转换为语句表。
Tuesday, September 13, 2022
问题:如果仅需要数据单方向传送,则两台微机进行串行通信时最少也需要2条连接线。
Wednesday, November 9, 2022
问题:加工中心上加工螺纹时,()以下螺纹不宜采用机用丝锥攻丝方法加工。A、M10B、M6C、M20D、M30
Friday, September 16, 2022
问题:定位与夹紧的任务不同,定位的任务是使工件的定位基准紧贴在夹具的定位元件上,而夹紧的任务是使工件不因切削力、惯性力、重力等作用而离开定位元件。
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Thursday, November 16, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:在下列手动对刀法中,()可以得到更加准确和可靠的结果。A、定位对刀法B、光学对刀法C、试切对刀法D、ATC对刀法
Friday, September 16, 2022
Thursday, November 30, 2023
Tuesday, November 7, 2023
Tuesday, September 13, 2022
Friday, September 16, 2022
Monday, December 25, 2023
Tuesday, September 13, 2022
问题:主切削力、背向力和进给抗力中,计算机床切削功率的主要依据是()。A、进给抗力B、背向力C、主切削力D、不确定
Thursday, November 17, 2022