Epo ilẹ Drill Bit The Epo ilẹ lu bit yoo kan lominu ni ipa ni epo liluho, significantly ni ipa lori didara liluho, ṣiṣe, ati iye owo. Orisi ti epo lu awọn die-die pẹlu scraper die-die, rola konu die-die, diamond die-die, ati PDC die-die (polycrystalline diamond iwapọ bits). Iṣẹ ọna yii...
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