塑料拖链的型号有7*7,10*10,10*15,15*15,15*20,15*35,15*40,15*40,15*50,18*18,18*25,18*35,18*50,18*60,25*25,25*38,25*57,25*77,25*103,35*50,35*60,35*75,35*100,35*125,35*150,35*175,35*200,45*50,45*60,45*75,45*100,45*125,45*150,45*200,56*95,56*125,56*175,56*200,56*300还有55,62,65,80系列等拖