钢: sharpen; strop; whet制: make; manufacture法兰: flange管件: pipe fitting法兰管件: flanged fitting; flanged pipe fittings法兰管: flanged pipe比端法兰管: spool带法兰管: flanged pipe法兰管接头: flange socket无法兰管系: flangeless piping钢制管法兰: specification for steel pipe flanges; types and parameters for steel pipe flanges加强的法兰管接件: reinforced flange fitting锻制法兰: forged flange焊制法兰: welded flange控制法兰: control flange锻钢制承插焊管件: forged steel socket welding pipe fittings锻钢制螺纹管件: forged steel threaded pipe fittings钢制对焊无缝管件: steel butt-welding seamless pipe fittings钢制管法兰类型: types for steel pipe flanges gb/t 1-pn6mpa(16bar)钢制预减振器法兰: stahlvordmpferflansch平面钢制管法兰盖: steel pipe blank flanges with flat face for pn 6mpa凸面钢制管法兰盖: steel pipe blank flanges with raised face for pn 0mpa突面钢制管法兰盖: steel pipe blank flanges with flat face or raised faceansi钢制管法兰和附件标准: ansi standard pipe flanges and fittings凹凸面对焊钢制管法兰: steel pipe welding neck flanges with male and female face for pn 0mpa; steel pipe welding neck flanges with male and female face for pn 5mpa; steel pipe welding neck flanges with male and female face for pn mpa
