Njengoko kubonisiwe kumfanekiso ongezantsi wasekunene, idome PDC kunye nokufakwa kwe-carbide zifakwe kwi-percussion bit efanayo.emva kokuvavanya, ukufakwa kwe-carbide kuphelile.
Amatye asithobaI-Dome PDC kunye ne-Conical PDC yeMigodi / i-Engineering Applications
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