【简答题】某城市最高日用水量为 150000m 3 / d ,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数 =1 . 2 ,时变化系数 =1 . 4 ,水厂自用水量为 5 %。( 1 )若不计输水管渠漏失水量,计算取水泵房的设计流量为为多少?( 2 )若管网内调节水池在用水最高时可向管网供水 900m 3 / h ,计算向供水管网供水的供水泵房的设计流量为...
【单选题】According to the task 2 listening part, answer the quetion below.Who is the teacher of the actress?
【单选题】Who is the teacher ________ you asked for leave?
【单选题】Who is the teacher _______ you'll never forget?
【单选题】某城市最高日用水量为 150000m 3 / d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数=1 . 2,时变化系数=1 . 4,水厂自用水量为5%。若不计输水管渠漏失水量,计算取水泵房的设计流量为( )。
【单选题】某城市最高日用水量为150000m 3 /d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数为1.2,时变化系数为1.4,水厂自用水量为5%。若不计算输水管渠漏失水量,计算取水泵房的设计流量为()
【简答题】For Plato, Aristotle and Socrates, who is the teacher of whom?
【多选题】W hich of the following are TRUE about Shennong’s innovations?
A.
He invented the farming tool, Lei ( 耒 ) .
B.
He invented the farming tool, plough( 犁 ).
C.
He invented the farming method, burying seeds into the soil.
D.
He discovered the herb, tea.
【单选题】某城市最高日用水量为150000m 3 /d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数为1.2,时变化系数为1.4,水厂自用水量为5%。若管网内调节水池在用水最高时可向管网供水900m 3 /h,计算向供水管网供水的供水泵房的设计流量为()
【单选题】Who is the teacher of Alexander the Great? ( 哲学 - 亚里士多德 )
B.
Socrates Dante Aristotle