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Mhosva dzePDC cutters mumakore achangopfuura
Mumakore achangopfuura, kwave kuri kuwedzera kudiwa kwevanocheka maPDC mumaindasitiri akasiyana, anosanganisira oiri negesi, migodhi, nekuvaka.PDC kana polycrystalline diamond compact cutters inoshandiswa kuchera nekucheka zvinhu zvakaomarara.Nekudaro, kwave nenyaya dzinoverengeka dzakataurwa dzePDC cutters ...Verenga zvimwe
