SMC型外螺弯接头KML03-M3,KML23-M3,KML03-M5,KML23-M5,KML03-M6,KML23-M6,KML03-01S,KML23-01S,KML04-M3,KML04-M5,KML04-M6,KML04-01S,KML06-M5,KML06-M6,KML06-01S,