Friday, September 16, 2022
问题:已知一蜗轮蜗杆减速器,蜗杆线数Z1=4,蜗轮齿数Z2=40,蜗杆的转数为n1=1500r/min,求蜗轮的转数。
Friday, September 15, 2023
Monday, July 31, 2023
Friday, September 16, 2022
问题:程控值班员应重点监视:皮带电动机运行电流的监视、各种取煤设备和给煤设备的的监视、()、碎煤机运行信号的监视、()、除铁器运行情况的监视。
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:输送胶带的热接工艺中最主要的是橡胶的硫化温度和硫化时间。
Friday, September 16, 2022