Cov luam yeeb hluav taws xob yog dab tsi?Raws li cov ntaub ntawv pej xeem, cov luam yeeb hluav taws xob feem ntau yog tsim los ntawm plaub ntu: cov roj luam yeeb (xws li nicotine, essence, hnyav propylene glycol, thiab lwm yam), cua sov system, fais fab mov thiab lim ...
Nyeem ntxiv