钨极***弧焊丝PP-TIG-A40PP-TIG-A34PP-TIG-A30LPP-TIG-A30PP-TIG-A20LPP-TIG-A20PP-TIG-A10TiPP-TIG-A10LPP-TIG-A10PP-TIG-R71PP-TIG-R40PP-TIG-R34PP-TIG-R31PP-TIG-R30PP-TIG-R10PP-TIG-J50KGPP-TIG-J50)