4PVC、。。。，。，，。PVC，，。、PVC。，，4PVC，。layfla1 iclear pvc hose suppliersnch pvc spvc green suct2 inch pvc suction hoseion hose pipeuction hoset hose，。。PVC，。，，。、PVC。4，，，PVC（），PVC。， pvc suclayf<2 inch pvc suctioclear pvc hose suppliersn hosestrong>1 inchpvc green suction hose pipe pvc suction hoselat hosetion hose pipe 4 inch .。、，，PVC，，。。，，。PVC，，PVC，，