Superheated kua qhia txog
Lub rwj yog qhov tshwm sim uas cov kua ua npuas tawm ntawm sab hauv thiab evaporates tawg nthe ntawm cov kua. Tab sis yog tias tsis muaj cov tshuaj uas muab cov npuas hauv cov kua, cov kua yuav tsis rhaub rau ntawm qhov chaw kub. Hom kua no uas qhov kub siab tshaj qhov taw tes kub kub tab sis tseem tsis rhaub yog hu ua kua superheated.