ʻO nā hui paipu hoʻopaʻa, kahi e hoʻohana ai ʻelua a ʻoi aku paha nā ʻāpana i ka hui pū ʻana o nā hui welded, a i ʻole e pili ana i ʻelua a ʻoi aku paha nā ʻāpana i hoʻopili ʻia e nā hui kuʻi, me nā welds, fusion zone a me ka wela wela. ʻĀpana hui welded Ma hope o ka hoʻokomo ʻia ʻana o ka metala a me ka mea hoʻopihapiha hoʻoheheʻe ʻoi aku ka wikiwiki i hana ʻia ʻo Youyi ma hope o ke anuanu...
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