ʻO PDC, a i ʻole polycrystalline diamond compact, ua lilo nā mea ʻoki i mea hoʻololi pāʻani i ka ʻoihana wili.Ua hoʻololi kēia mau mea hana ʻoki i ka ʻenehana wili ma ka hoʻonui ʻana i ka pono a me ka hōʻemi ʻana i nā kumukūʻai.Akā, no hea mai nā mea ʻoki PDC, a pehea lākou i kaulana ai?ʻO ka mōʻaukala o PDC c...
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