Ma Tricone Drill Bits amagwiritsidwa ntchito kwambiri pobowola zitsime mukayenera kudutsa miyala yofewa komanso yolimba.
Chifukwa cha kugunda, kuphwanya ndi kumeta mwala kusweka pamene chogudubuza chuni chikuzungulira, kukhudzana kuli pakati pa chulu ndi dzenje laling'ono, kuthamanga kwapadera kumakhala kwakukulu, torque yogwira ntchito ndi yaying'ono ndipo tsamba logwira ntchito limakhala ndi utali wonse ndipo lingakhale loyenera miyala yamitundu yosiyanasiyana.
Nthawi yotumiza: Jul-25-2022