Raws li cov khoom tseem ceeb hauv kev tsim cov khoom siv vuam ntau, cov yam ntxwv ntawm cov hmoov hlau feem ntau muaj kev cuam tshuam ncaj qha rau ob qho tib si vuam thiab qhov kawg weld hlau zoo pab txhim kho cov yam ntxwv thiab kev ua tau zoo ntawm cov electrodes npog nrog rau flux-cored thiab hlau-cored hlau.
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