Ulusi kugwirizana kubowola mutu

Zida zolumikizirana ulusiAmadziwikanso kuti zibowola zolumikizira, zobowola, zobowola.

ndi zitsulo zobowola mzati.Threaded connection drill bit ndi mtundu wa chida chobowola mwala chomwe chiri.

cholumikizidwa ndi ulusi kubowola ndodo ndi ulusi wa kubowola pang'ono kuzindikira kufala kwa

kukhudza ntchito ndi torque yozungulira ya pobowola thanthwe kuswa rock.This mtundu wa chida pobowola thanthwe

mankhwala amagwiritsidwa ntchito molumikizana ndi hydraulic rock pobowola rigs ndi hydraulic thanthwe pobowola rigs.

Mafomu akuluakulu ndi R22, R25, R28, R32, TR32, TR35, T35, T38, T45, T51, ST58, ST68,

EL60, EL68, T60 ulusi kubowola katundu mankhwala.Imagwiritsidwa ntchito kwambiri mu migodi lotseguka dzenje, mobisa.

migodi, misewu yotopetsa, uinjiniya wa nangula, kuphulika kwachitsulo cha ng'anjo, uinjiniya wa tunnel,

ukadaulo wa hydropower, kukumba miyala ndi ntchito zina zomanga.