PIPE SUTINGS A China

Abubuwan da ke fitarwa sun lalace samfurori masu ƙarfi da fa'idodin farashi mai tsada a kan dabarun haɓaka na al'ada.

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Yaya aka shigar? A cikin sauki: a gefe ɗaya, abubuwan da ake ciki (misali weldolet) an gyara shi a cikin bututun azanci tare da cikakken shigar da shigar ciki da, a gefe guda, welded) akan bututun reshe. Tabbas, za a yanke bututun a kan kusancin yankin da bututu yake buƙatar zama alama.

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