Mumakore achangopfuura, tekinoroji yekuchera yakakwira zvakanyanya, uye imwe yeakakosha magadzirirwo ari kufambisa shanduko iyi ndeye PDC cutter.PDC, kana kuti polycrystalline diamond compact, vacheki imhando yechishandiso chekuchera chinoshandisa musanganiswa wedhaimondi uye tungsten carbide kunatsiridza mashandiro uye du...
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