Resistance chaw vuam yog txheej txheem tseem ceeb hauv ntau qhov kev lag luam, suav nrog tsheb, aerospace, thiab kev tsim khoom. Yuav kom ua tiav cov vuam zoo thiab ua kom muaj kev nyab xeeb, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov lus qhia tshwj xeeb thiab cov qauv. Hauv tsab xov xwm no, peb yuav tham txog cov ntsiab lus tseem ceeb uas xav tau ...
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