Mea hoʻokomo ʻimi ʻaila ʻaila
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Super Carbide Niho no ka ʻimi ʻaila ʻaila
Hoʻohana ʻia i nā ʻano pōhaku: Hoʻohana nui ʻia nā ʻāpana pahu pahu pahu ʻaila ʻaila i nā ʻano ʻano pōhaku like ʻole, e like me ke one, shale, mudstone, a me nā pōhaku paʻa.ʻO ke koho ʻana i ke ʻano o ka roller cone drill bit ma muli o ka paʻakikī a me nā waiwai o ka hoʻokumu pōhaku.Pahuhopu wili: Hoʻopili pū nā pahuhopu wili i ke koho ʻana i nā pahu drill cone roller.No ka laʻana, ʻo ka ʻeli ʻana i nā pūnāwai aila a me nā pūnāwai kinoea maoli ke koi aku i nā ʻano ʻano drill bits e hoʻokipa i nā ʻano like ʻole.
