cov khoom

Lub luag haujlwm tseem ceeb ntawm chav tsev fuser yog siv cov cuab yeej siv cua sov los tsim cov qauv pom lossis cov ntawv nyeem ntawm daim ntawv siv cov duab lossis cov ntawv hauv lub tshuab luam ntawv.Lub hauv paus ntsiab lus ua haujlwm ntawm lub fuser chav tsev yog siv cov yam ntxwv ntawm cov ntawv thermal, muab cov ntawv thermal nrog cov xim xim ntawm lub taub hau luam ntawv, thiab kho cov qauv lossis cov ntawv ntawm daim ntawv los ntawm kev siv tshuab cua sov.Chav tsev fuser yog ib qho tseem ceeb ntawm lub tshuab luam ntawv, thiab nws qhov zoo cuam tshuam ncaj qha rau qhov zoo ntawm cov ntawv luam tawm.