Cov ris dej yog cov ntsiab lus dav dav rau cov ris nuv ntses, cov ris ua haujlwm, cov ris tsho tiv thaiv, thiab cov ris nuv ntses, tab sis qhov sib txawv ntawm cov cheeb tsam yog qhov ncaj ncees. Nws yog ua los ntawm cov ntaub ntawv tsis muaj dej tsis zoo thiab muaj qee yam dej tsis zoo. Cov specifications yog tag nrho lub cev, ib nrab lub cev thiab tag nrho enclosed. Nws yog tsuas yog siv rau kev tsim kho tshuaj, tiv thaiv hluav taws, nuv ntses, yug me nyuam thiab lwm yam haujlwm.
Xa kev nug