4-79离心通风机4.5A性能表机号转速序号流量全压静压内效率内功率电机r/minNom3/hPaPa%kW型号kW-P4.5A14503320667657800.78Y90L1.5-423720657634840.8134110647622860.8644510628594860.9154890598563859665270588540831.0475860500443791.0386450402335750.9629001664027002627806.22Y160M111-22744026282536846.463820025992488866.884899025102376867.295979024122253857.7261055023442159838.2871172020011773798.2581292016181341757.74)