He aha te rereketanga nui o nga whakaritenga whakamarumaru i waenga i te E71T-1 me te E71T-8? Koinei te rereketanga tino nui. Ko **E71T-1** he **waea rewharewha-whare maru-hau** (FCAW-G). Ka hiahiatia he ** hau whakaruruhau** o waho, te tikanga 100% CO2, he whakakotahitanga ranei o Argon/CO2, hei tiaki i te puddle weld f
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