Tuesday, September 20, 2022
Thursday, September 22, 2022
取水构筑物、一级泵站和水厂等的流量按最高日最高时用水量来计算...
Tuesday, August 9, 2022
Monday, September 19, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
用纳氏试剂比色法测定水中氨氮含量时,加人的酒石酸锦纳与水中()反应...
Friday, September 16, 2022
快速混合的混合过程大约在()内完成,一般不超过2分钟。...
Thursday, September 15, 2022
单选题电离度的大小与电解质溶液的()有关。A 温度B 浓度C 温度与浓度D 酸碱度...
Wednesday, January 25, 2023
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
Thursday, September 22, 2022
Friday, September 23, 2022
在絮凝阶段,通常以G或GT值作为控制指标,G代表的是()...
Tuesday, September 20, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
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
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
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