flux-cored arc welding
... flux-cored arc welding 熔剂芯焊丝电弧焊 ; 药芯焊丝电弧焊 FLUX-CORED WELDING WIRE 药芯焊丝 self-shielded flux cored arc welding 自保护药芯焊丝电弧焊 ...
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