ʻO ka manaʻo hoʻomohala o ka ERW Pipe a me nā pilikia e kū nei ʻO ka hoʻopaʻapaʻa kūʻē ʻana he pōkole o ka paipu kila ERW me ka nui o nā pono, e like me ka huahana kiʻekiʻe, ke kumu kūʻai haʻahaʻa, ka pololei o ka dimensional maikaʻi, ka helehelena nani. Eia naʻe, i ka wā ma mua, ma muli o ka hilinaʻi maikaʻi ʻole o ka weld, nā palena nui ...
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