Pakati pa zigawo zovuta za trico drill bit, nozzle nthawi zambiri imawoneka ngati gawo laling'ono, losavuta kunyalanyazidwa. Komabe ndi mtima wa hydraulic womwe umatsimikizira kukumba bwino, moyo pang

Pankhani ya zida zobowolera, tinthu tating'onoting'ono todzigudubuza ndizomwe zimafunikira pakuswa ndi kubowola miyala. Komabe, ngakhale kuti onsewo ndi ma roller cone bits, cholozera chowongolera cho

Ma Tricone drill bit bearings ndi omwe ali pachiwopsezo chachikulu chomwe chimalepheretsa moyo wautumiki wa zida zobowola pakufufuza kwamafuta ndi gasi komanso kumanga kopanda ngalande. Chifukwa chiya

Pakafukufuku wamafuta ndi gasi komanso pobowola miyala, chodzigudubuza chodulira chimakhala ngati "chilombo chachitsulo" cholowera pansi kwambiri, ndipo kunyamula kumakhala ngati "mtima" wa chilombo i

M'mafakitale olemera monga migodi ndi kubowola mafuta, zodzigudubuza, monga zigawo zikuluzikulu za kuphwanya miyala ndi kufalitsa mphamvu, zimakhudza mwachindunji pakumanga bwino komanso mtengo wake.

Masiku ano, kuchokera ku malingaliro a wogula, timaphwanya ma incoterms apamwamba, ndikukuphunzitsani kuti musankhe kutengera zofunikira ndikupewa zolakwika zowopsa.

Kungondilepheretsa Kubaka Zida zokhala ndi kapangidwe kolimba, pomwe njira zotentha zimachepetsa mphamvu yawo - njira ziwiri zazikuluzi zimathandizira kupirira zopindika kwambiri zokumana ndi zovuta z

Mafuta amabowola mafuta, mabatani a PDC Chinsinsi chawo? Odula PDC, "mano osasinthika" adapangidwa kudzera pa mitundu yapamwamba.

Ponena za kubowola kozungulira (HDD) ukadaulo, lingaliro loyamba la anthu ndi, "njira yapamwamba iyi iyenera kukhala yodula kwambiri, pomwepo?" Zowona, mtengo woyamba wa HDD zida ndi ukadaulo ndiwokwe