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絲口法蘭

Wire flange

WN對(duì)焊法蘭

WN butt welding flange

S0帶頸平焊法蘭

S0 with neck flat welding flange

PL平焊法蘭

PL flat welding flange

開槽法蘭

Slotted flange

碳鋼、不銹鋼絲口接頭

Carbon steel wire mouth joint

BL法蘭蓋

BL flange cover