环: ring; hoop连接: connect; fit together; link; ...面: face钢: sharpen; strop; whet制管: tubulation法兰: flange盖: a surname环连接面对焊钢制管法兰: steel pipe welding neck flanges with ring-joint face for pn 0mpa环连接面整体钢制管法兰: integral steel pipe flanges with ring-joint face for pn 0mpa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 face环连接面带颈承插焊钢制管法兰: hubbed socket welding steel pipe flanges with ring-joint face环连接面带颈平焊钢制管法兰: hubbed slip-on-welding steel pipe flanges with ring-joint face for pn 0mpa环连接面对焊环带颈松套钢制管法兰: loose hubbed steel pipe flanges with welding neck collar with ring-joint face凹凸面钢制管法兰盖: steel pipe blank flanges with male and female face for pn 0mpa榫槽面钢制管法兰盖: steel pipe blank flanges with tongue and groove face for pn 0mpa钢制管法兰: specification for steel pipe flanges; types and parameters for steel pipe flanges钢制管法兰类型: types for steel pipe flanges gb/t 1-pn6mpa(16bar)钢制管法兰连接强度计算方法: calculating method for the strength of steel pipe flanged joint钢制管法兰连接用八角形金属环垫: octagonal metallic ring gaskets for steel pipe flanges joints钢制管法兰连接用金属环垫技术条件: specification for metallic ring gaskets for steel pipe flange joints钢制管法兰连接用椭圆形金属环垫: oval metallic ring gaskets for steel pipe flange jointsansi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
