单台泵的特性方程H=50-1.1×<img src="https://static.zxtiku.com/wangke/imgs/topic/273b5b011c6db46121b2151bd7315318.jpg"/>，管路特性方程为 He=20+ 0.1347×<img src="https://static.zxtiku.com/wangke/imgs/topic/273b5b011c6db46121b2151bd7315318.jpg"/>,则两泵串联时流量为 <img src="https://static.zxtiku.com/wangke/imgs/topic/2cd2a26749e697ff22f2876f10a99100.jpg"/>。<br/> A、0.00865<br/> B、0.0059<br/> C、0.00725<br/> D、0.0093