型號:D671F
規(guī)格:DN50-DN1200
型號:D643H,D643W
型號:D673H,D673W
型號:D671X
型號:D671J,D641J
型號:D641X
型號:GIQ
規(guī)格:DN40-DN1200
型號:D681X
規(guī)格:DN15-DN150
型號:D641W
型號:D671F46,D641F46
規(guī)格:DN25-DN300