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Vacheki vePDC Vachinja Kuchera Oiri neGasi
Kuchera mafuta negasi chikamu chakakosha muindasitiri yesimba, uye kunoda tekinoroji yepamusoro kuti uwane zviwanikwa kubva pasi. Zvicherwa zvePDC, kana kuti polycrystalline diamond compact cutters, itekinoroji itsva yakachinja maitiro ekuchera. Zvicherwa izvi zvakachinja...Verenga zvakawanda -
Nyaya dzevacheki vePDC mumakore achangopfuura
Mumakore achangopfuura, kwave nekudiwa kuri kukura kwevacheki vePDC mumaindasitiri akasiyana-siyana, anosanganisira mafuta negesi, migodhi, nekuvaka. Vacheki vePDC kana polycrystalline diamond compact vanoshandiswa pakuboora nekucheka zvinhu zvakaoma. Zvisinei, kwave nezviitiko zvakawanda zvakataurwa nezvevacheki vePDC ...Verenga zvakawanda
