2W040-10,2W160-15,2W200-20,2W250-25,方形电磁阀 2W350-35,2W320-32,2W400-40,2W500-50, 2W040-10V,2W040-10VH,2W160-15V,2W160-15VH, 2W200-20V,2W200-20VH,2W400-40V,2W400-40VH, 2W250-25V,2W250-25VH,2W350-35V,2W350-35VH, 2W500-50V,2W500-50VH,