Yog vim li cas rau kev puas tsuaj ntawm qhuav cua sov cua sov kav

1. Muaj ib qho teeb meem ntawm qhov zoo ntawm lub raj cua sov: lub raj phab ntsa yog nyias dhau, cov khoom siv qib qis dhau lawm, thiab muaj cov kav dej seam;

2. Muaj teeb meem ntawm qhov zoo ntawm kev siv magnesium oxide: muaj ntau yam impurities hauv nws, lossis muaj cov khoom siv hlau xws li cov ntaub ntawv hlau;

3. Lub raj hluav taws xob cua sov muaj qhov teeb meem xau: lub raj tsis zoo kaw, cov cua sov xaim sab hauv tsis sib xws, thiab cov xaim hluav taws xob tsis nyob hauv nruab nrab ntawm lub raj.