不锈钢材质 铸钢 金属材质 碳钢 黄铜 铸铁 金属 锻钢 钢 不锈钢 铜

WJ41H-16C J41H-16C J41H-25,DN40 J41H-25C-DN25 J41W-16PCF8 J61Y-320C J61Y-320V HS41X-16 J11W J11W-10T J65Y-16C J11W-16T/DN32 J41H-16P J41H-64-DN25 309 J11W-16T/DN20 J11W-16T/DN40 J41H-25C\DN100 J61H-800LBC J11W-16T/DN25 J11W-16T/DN50 J41W-16P J61Y J941H-25C\DN25\DN25\\≤400℃ KJ65Y-3000LB\DN25 H44J-10 J11W-25T J41H-10C J41H-16\DN80 J41H-16C\DN50\PN16\RF\WCB J11W-16T J11W-16T/DN15 J41B/F-25P J41H-25\DN50 J41H-25C.DN25 J41H-25C\DN25 J41H-25C-DN100 J41H-25-DN40 J65Y-3500LbC9 J41H-25C\DN150\PN25\RF\WCB J41H-64,DN20 J941H-25C\DN50\\≤425℃ H44H-40C