A.162.8 B.280.8 C.315.9 D.351.0
A.自管網(wǎng)起點(diǎn)至終點(diǎn)各管段水頭損失代數(shù)和 B.自管網(wǎng)起點(diǎn)至終點(diǎn)任一路徑上管段水頭損失代數(shù)和 C.自配水點(diǎn)至水壓控制點(diǎn)各管段水頭損失代數(shù)和 D.自配水點(diǎn)至水壓控制點(diǎn)任一路徑上管段水頭損失代數(shù)和