Cov Ntim Tiv Thaiv
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Square hauv qab hnab siab zoo
Cov txheej txheem ntim ntim tau muaj peev xwm muab cov khoom siv thickness, thiab raws li koj cov kev xav tau thiab cov pa roj ntsha kom tau raws li koj cov kev xav tau ntim ntau yam.
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Lub Hnab Muaj Ntim Muaj
Ntim khoom muaj cov khoom lag luam ntim ntim cov khoom muag thiab ntim ntim ntim, engineering cov ntaub ntawv yas thiab lwm yam. Cov ntim ntawm cov khoom lag luam yog feem ntau ntim ntau, uas muaj cov txiaj ntsig zoo ntawm cov kev ua tau zoo, tsheb thauj khoom thiab teeb meem kev ua haujlwm.