主要型号有YDF-WF-122-4 0.12KW,YDF-WF-211-4 0.18KW,YDF-WF-212-4 0.25KW,YDF-WF-221-4 0.37KW,YDF-WF-222-4 0.55KW,YDF-WF-231-4 0.75KW,YDF-WF-311-4 1.1KW,YDF-WF-312-4 1.5KW,YDF-WF-321-
