Njikọ ọkpọkọ, ebe akụkụ abụọ ma ọ bụ karịa na-eji ngwakọta nke nkwonkwo welded, ma ọ bụ na-ezo aka n'akụkụ abụọ ma ọ bụ karịa jikọtara site na nkwonkwo ịgbado ọkụ, gụnyere welds, fusion zone na okpomọkụ emetụtara. welded nkwonkwo mpaghara Mgbe dabara na metal na filler metal agbaze ngwa ngwa ọsọ Youyi guzobere mgbe cooli ...
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