Cov kev nthuav dav ntawm kev tsim qauv txheej txheem tsis tuaj yeem tsis quav ntsej. Yog tias ob ntu yog ua los ntawm cov ntaub ntawv nrog tib lub zog thiab tsuas yog saib ntawm qhov kev ntxhov siab ntawm ib qho khoom yuav vau ntawm cov qauv. Uas yog hais, peb tsis tuaj yeem saib ntawm lub thickness ntawm cov tuab tuab, tab sis kuj saib ntawm ib feem thinnest. Tej zaum qhov tshwm sim yog qhov sib txawv kiag li, ntawm chav kawm, qhov no tsuas yog kho qhov kev nkag siab, tab sis tsis txhob tig mus ua ib txoj kev ntsuam xyuas pob khaus ntxiv, uas tsis zoo
Cov khoom siv zog yog qhov tseem ceeb tshaj
Lub zog ntawm ib feem hnub no tsis tuaj yeem txhais tau yooj yim los ntawm nws cov tuab. Nws yog inseparable los ntawm cov khoom siv, thaj tsam, qauv qauv thiab tsim qauv kev tsim khoom. Ib yam li lub zog ntawm ntau qhov chaw ntawm lub cev, qhov tseem ceeb thiab tom qab cov ntaub ntawv siab, thaum lwm cov ntaub ntawv txhawb nqa thiab cov ntaub ntawv npog tsis muaj zog.
Yog li koj yuav txiav txim siab li cas yog tias lub qhov rooj hinges yog ib qho nyuaj txaus? Rau cov neeg siv khoom, tsis muaj txoj hauv kev, vim hais tias cov qauv siv hluav taws xob muaj kev cuam tshuam nrog GB15086_2006 "Yuav tsum tau so lub qhov rooj thiab yuav tsum tau so lub qhov rooj thiab yuav tsum muaj lub qhov rooj kev cia siab rau kev ua haujlwm ntev mus txog ntev mus 11000n (n) thiab ib sab rau loader 9000n.
