问题:单选题变压器负载运行时,原、副边电流与其臣数成反比,当副边负载电流增大时,原边电流将()A 随着增大B 随着减小C 不变D 无法确定...
Saturday, September 30, 2023
问题:使用电磁流量计时,测量管道内混人气泡,可以使精度()。...
Saturday, September 17, 2022
Thursday, September 22, 2022
问题:混凝剂的最佳投药量是既定水质目标的最大混凝剂投量。...
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:单选题水环式真空泵工作时向泵内注水的作用是()A 形成水环并冷却B 作用介质带走空气C 便于引水D 防止真空泵漏气...
Thursday, August 24, 2023
Thursday, September 22, 2022
Friday, September 16, 2022
问题:搭气压力是气浮的关键之一,溶气压力的大小与()有关...
Thursday, September 22, 2022
问题:判断题取水工程是给水工程的重要组成部分之一,它的任务是从水源取水并送到水厂或者用户A 对B 错...
Tuesday, April 2, 2024
Friday, September 16, 2022
Thursday, September 22, 2022
问题:简述单级双吸离心泵结构中冷却润滑轴封装置的工作原理...
Thursday, September 22, 2022
问题:所谓回转式反应池是指水流方向沿着隔板回转,水头损失小的优点。...
Tuesday, August 9, 2022
Thursday, September 15, 2022
问题:单选题由真空泵构成的抽气系统中气水分离器位于()A 真空泵进气口与吸气管路之间B 真空泵排气口与排气管之间C 循环水管进口与真空泵之间D 循环水管出口与真空泵之间...
Wednesday, January 24, 2024
Wednesday, September 14, 2022
Wednesday, September 21, 2022
Thursday, September 22, 2022
Monday, September 19, 2022