Furtunul π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π π, furtunurile metalice din oquiel inoxidil de calibru sunt利用pentru echipamente electricente de prezie。Deoarece是o flexibilitate优秀区,coroziune, rezisten堡堡区,azazziune, rezisten堡堡区,azazziune, rezisten堡堡区。