Saturday, July 29, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:对管道的膨胀进行补偿是为了()。A、更好地疏放水B、减小管道的热应力C、减少塑性变形D、减小弹性变形
Monday, September 12, 2022
Sunday, August 6, 2023
Saturday, August 12, 2023
问题:离心泵运行中如发现表针指示异常应()A、先分析是否表针问题再就地找原因B、立即停崩C、未超限不管它
Monday, September 12, 2022
问题:启动清扫链电机,设置清扫链运行参数如下,运行()min,停止20min。
Monday, January 23, 2023
Tuesday, September 13, 2022
问题:对于多级电场的电除尘器,每级电场对应一个最佳火花率,一般来说,前级电场火花较多,后级电场火花较少。
Saturday, February 18, 2023
Monday, September 12, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:由于某台水泵出水量不能满足用水需要,应将叶轮内槽道的面积扩大,增加出水量。
Monday, September 12, 2022
Tuesday, November 29, 2022
Monday, September 12, 2022
问题:用电是指发电厂辅助设备附属车间的用电,不包括生产照明用电。
Tuesday, September 13, 2022
问题:用水平仪检查轴水平,在测量时应先对好水平仪纵向水平读数,再看横向水平。
Monday, June 26, 2023
Thursday, October 12, 2023