... welding flux焊接溶剂; 焊药 welding flux backing焊剂垫 welding force阻焊加压; 电极力; 电极压力 ...
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welding with flux backing 焊剂垫焊
flux copper backing welding 铜板垫单面潜弧焊
flux asbesto backing welding 石棉垫单面潜弧焊
flux coppor backing welding 铜板垫单面潜弧焊接
flux asbestos backing welding 石绵垫单面潜弧焊
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