API SEPS 5CT-2018 casing uye tubing
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Kufunga kweClasing uye Tubing API Speication 5ct ninth edition-2012
Api5ct mafuta casing inonyanya kushandiswa kutakura mafuta, gasi rechisikigo, gasi, mvura uye nezvimwe zvinwiwa uye magasi, inogona kukamurwa kuita seamu pombi uye yakasarudzika mbira. Welded simbi pombi inonyanya kunongedza kwenguva yakareba yakavezwa simbi pombi
