pa必需汽蚀余量)rm效率-%电动机m3/hL/min功率KW型号2CY-1.08/2.51.081814202.59.5582.2Y100L1-42CY-2.1/2.52.13514202.59.5583Y100L2-42CY-3/2.535014402.59.5594Y112M-42CY-4.2/2.54.27014402.59.5595.5Y132S-42CY-7.5/2.57.512514402.59.5637.5Y132M-42CY-12/2.51220014602.59.56315Y160L-4。