某企業(yè)給水系統(tǒng)示意圖如下圖所示(單位為m3/d),該廠的用水重復(fù)利用率是()。
A.78.3% B.80% C.50.5% D.84%
A.47.8% B.95.6% C.48.9% D.51.1%
A.91.5% B.92.5% C.92.9% D.93.9%