问题:滤池负荷以单位时间单位过滤面积上的过滤水量计,单位为()...
Friday, September 16, 2022
问题:判断题地下水在松散岩层中流动称为地下渗透()A 对B 错...
Friday, April 7, 2023
Thursday, September 22, 2022
Thursday, August 24, 2023
Monday, September 19, 2022
Thursday, August 24, 2023
问题:判断题聚合氯化铝适应的pH值范围窄,消耗水的碱度大。A 对B 错...
Tuesday, November 21, 2023
Saturday, September 17, 2022
问题:单选题为了防止误操作事故,倒闸操作时必须执行()A 工作票制度B 操作票制度C 电话命令D 口头命令...
Tuesday, November 21, 2023
问题:判断题胶体颗粒尺寸很小 , 在水中经长期静置也不会下沉A 对B 错...
Friday, April 7, 2023
问题:若水源受到较严重污染,可以在滤池后加设()处理。...
Thursday, September 22, 2022
Wednesday, September 21, 2022
问题:判断题混流泵根据外形不同可分为蜗壳式与导叶式()A 对B 错...
Friday, August 18, 2023
Friday, January 26, 2024
Saturday, September 17, 2022
Monday, September 19, 2022
Wednesday, September 14, 2022
问题:用氯和二氧化氯消毒,对于同一水源,达到相同的消毒效果,它们的用量情况比较,正确的是()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022