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  • 汽油机抽水泵怎么调功率_汽油机抽水泵扬程多大合适

    汽油机抽水泵怎么调功率_汽油机抽水泵扬程多大合适

    天空油价网 2024-06-22 10:20

    1、按消火栓出水压力0.1MPa,枯水期高差为17m即几何扬程为17m,管路阻力按10%~20%算为1.7~3.4m,取3m,因此水泵扬程应......