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Vim li cas cov nqi roj sib txawv? Puas yog lawv cov nqi tib yam?

2023-09-07

Vim li cas cov nqi roj sib txawv? Puas yog lawv cov nqi tib yam?

Feem ntau, peb saib tib hom roj cav, xws li qib SP, thiab tus nqi sib txawv. Piv txwv li, 0W-30 yog ntau tshaj 20 kim tshaj 5W30. Yog tias nws tsis yog tib hom roj cav, tus nqi tseem txawv dua, xws li SN thiab C5. Yog li dab tsi yog qhov txawv ntawm cov nqi roj?


Ntau tshaj 85% ntawm cov roj cav yog cov roj hauv paus. Yog li ntawd, qhov zoo ntawm cov roj hauv paus yog ib qho tseem ceeb ntawm kev txiav txim siab tus nqi ntawm cov roj cav.


Tam sim no, muaj tag nrho ntawm tsib hom roj hauv paus hauv cov roj cav. Ntawm lawv, Chav Kawm I thiab Chav Kawm II yog cov roj ntxhia, sib haum rau qib ntawm cov roj ntxhia lossis cov roj hluavtaws, Chav Kawm III yog cov roj hluavtaws, tab sis tseem ceeb roj ntxhia, thiab sib xws rau qib ntawm cov roj hluavtaws lossis cov roj hluavtaws. Class IV (PAO) thiab Class V (esters) yog cov roj hluavtaws, thiab cov roj sib txuas yog cov roj hluavtaws. Qhov loj ntawm lub hauv paus roj qeb, ntau dua nws cov txheej txheem, qhov zoo dua qhov kev ua tau zoo thiab kav ntev ntawm cov roj cav, thiab nws cov nqi ntau dua.


Yog li, qhov no yog qhov tseem ceeb ua rau tus nqi sib txawv ntawm cov roj hluavtaws tag nrho, cov roj semi hluavtaws, thiab cov roj ntxhia.

Qhov tseeb tias 0W-30 yog kim dua 5W30 yog tias 0W yuav tsum tau ntxiv cov tshuaj tiv thaiv kab mob siab dua kom ntseeg tau tias qhov kub thiab txias zoo dua, yog li nws cov nqi siab dua. Tus nqi sib txawv ntawm SN thiab C5 kuj yog tib yam. Lawv siv cov roj sib txawv, cov khoom ntxiv, thiab cov qauv, yog li tus nqi sib txawv.


OEM ntawv pov thawj cov nqi roj kuj sib txawv. OEM daim ntawv pov thawj yog cov chaw tsim khoom tsheb tus qauv rau cov roj zoo, feem ntau raws li cov qauv kev lag luam thiab cov kev xav tau OEM, cov kev ntsuam xyuas ntxiv tau ntxiv los xyuas kom meej tias lawv cov cav muaj qhov ua tau zoo tshaj plaws.

Qee cov tuam txhab lag luam muaj cov kev cai nruj rau cov roj cav, thiab tau txais daim ntawv pov thawj ntawm lub Hoobkas yuav tsum muaj ntau yam kev sim roj, kev sim lub rooj zaum, thiab lwm yam kev xeem.

Yog li ntawd, yog tias qee yam roj tau lees paub, tus nqi yuav siab dua piv rau cov roj tsis muaj ntawv pov thawj.


Xaiv cov roj cav tsis tas txhais tau tias yuav cov khoom kim, tab sis nws tseem ceeb heev uas yuav tsum nco ntsoov kom tau txais yam koj them rau kom tsis txhob yuav cov roj tsis zoo thiab cov roj cuav.

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