1. Cov khoom noj muaj txiaj ntsig ntau ntxiv, nce ntxiv hauv kev tsim khoom Thiab nws muaj cov kab kawm xws li leej faj, hlau, zinc, molybdenum, magnesium zhi, thiab lwm yam uas xav tau los ntawm cov qoob loo. Nyob rau tib lub sijhawm, cov khoom lag luam muaj cov yam ntxwv ntawm cov xim tsis xws luag, zoo ruaj khov, zoo solubility, thiab nqus tau yooj yim los ntawm ...
Nyeem ntxiv