Izifaki Zokuhlola Insimu Kawoyela
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Izinyo Eliphezulu Le-Carbide Lokuhlola Insimu Kawoyela
Ukusetshenziswa Ukwakheka kwamadwala: Ama-drill bits e-roller cone e-Oilfield asetshenziswa kabanzi ezinhlotsheni ezahlukene zokwakheka kwamadwala, kufaka phakathi itshe lesihlabathi, i-shale, i-mudstone, namadwala aqinile. Ukukhetha uhlobo lwe-roller cone drill bit kuncike ebulukhuni kanye nezakhiwo zokwakheka kwamadwala. Izinhloso zokubhoboza: Izinhloso zokubhoboza nazo zithinta ukukhethwa kwama-drill bits e-roller cone. Isibonelo, ukubhoboza imithombo kawoyela kanye nemithombo yegesi yemvelo kungadinga izinhlobo ezahlukene zama-drill bits ukuze kuhlangatshezwane...
