机号转速r/min风量m3/s全压Pa功率(kW)1298010.7~27.6698~13742×221398013.6~35.0819~16132×371498017.0~43.8950~18712×551598020.9~53.81091~21482×751698025.4~65.31241~24442×9073018.9~48.7688~13562×371798030.4~78.31400~