Feem ntau muaj tsib theem ntawm kub-melt taub qab sib koom ua ke, uas yog cua sov theem, endothermic theem, hloov theem, vuam theem thiab txias theem.1. Kev npaj vuam: tso cov yeeb nkab haum ntawm qhov txav txav thiab cov clamp ruaj khov, thiab qhov kev ncua deb ntawm nruab nrab ob lub yeeb nkab orifices sha...
Nyeem ntxiv