backing welding

短语词组

短语

• external backing welding 外焊根焊
• flux copper backing welding 铜板垫单面潜弧焊
• brick backing welding 砖形衬垫单面焊
• flux asbesto backing welding 石棉垫单面潜弧焊
• backing welding electrode 底层焊条
• flux coppor backing welding 铜板垫单面潜弧焊接
• Ceramic backing welding 陶质衬垫焊
• flux asbestos backing welding 石绵垫单面潜弧焊
• welding backing 焊接衬垫
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