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Peb lub teb chaws yeej ib txwm muaj qee qhov kev tawg ntawm ntau yam. Kev lag luam yog ib qho chaw uas peb muaj nuj nqis heev, thiab peb kuj tseem txhim kho hauv cheeb tsam no. Tom qab tag nrho, qhov no yuav muaj ntau dua. Peb tau lees paub tias yog lub tebchaws muaj kabmob loj heev txog tam sim no, thiab raws li cov ntaub ntawv hauv ...Nyeem ntxiv»
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Bearings yog cov khoom uas yuav tsum tau siv nyob rau hauv feem ntau rotating khoom. Cov kabmob kev puas tsuaj kuj tshwm sim. Tom qab ntawd, yuav ua li cas daws cov teeb meem xws li tev thiab hlawv? Peel tawm phenomenon: Lub khiav nto yog tev tawm, qhia pom tseeb convex thiab concave zoo tom qab tev tawm vim li cas: 1) Tsis zoo peb ...Nyeem ntxiv»
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