API TET 5C-2018 Casing da Tushewar
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Bayani don casing da tubing api bayani game da 5ct na kimanta
Ana amfani da casing api5ct mai yawanci don jigilar mai, gas, gas, ruwa da sauran taya da gas, ana iya rarrabu cikin bututun ƙarfe mara nauyi. Belded Karfe bututu galibi yana nufin bututun karfe mai tsayi
