由1H=hn1+hr2+h 1/42 l,(4O l=(4O Ad、2g 12 1(4×273)22 4 4×2.73 12 2g d, Q2=0.01356m3/s Q1=0.03702m3/s Q3=0.00896m3/s Q4=0.01450m3/s由1 f 1 f 2 f 5 H = h + h + h 2 5 5 5 5 5 2 2 2 2 2 2 2 1 1 1 1 1 4 4 4 2 1         +         +         = d Q d l d Q d l d Q d g l       2 2 2 5 5 5 5 2 2 2 2 2 2 1 1 1 1 4 2.73 4 4 2.73 2 1 Q d d l d d l d g d l                  +         +          =       Q 0.01356m /s 3 2 = Q 0.03702m /s 3 1 = Q 0.00896m /s 3 3 = Q 0.01450m /s 3 4 =