API SPEC 5CT-2018 Casing and Tubing
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Qeexida daasadda iyo tuubbooyinka API GAARKA 5CT DAABADDA SAGAALAAD-2012
Daboolka saliidda ee Api5ct waxaa inta badan loo isticmaalaa in lagu qaado saliidda, gaaska dabiiciga ah, gaasta, biyaha iyo dareeraha kale iyo gaaska, Waxaa loo qaybin karaa tuubo bir ah oo aan fiicneyn iyo tuubo bir ah oo alxan leh. Dhuumaha birta alxanka leh waxaa inta badan loola jeedaa dhuumaha birta alxanka leh ee dhaadheer