Peb feem ntau pom cov cawv txiv hmab hauv lub khob iav ua cov khoom ntim ntawm lub khw, thiab cov xim ntawm cov iav fwj rau cawv feem ntau tsaus. Yog li, dab tsi yog vim li cas vim li cas cawv tau ntim rau hauv iav fwj?
Yog vim li cas thiaj siv iav cawv fwj ua cov khoom ntim. Yog vim li cas vim li cas cov cawv txiv hmab siv iav fwj ua cov ntaub ntawv ntim yog tias cov iav cawv fwj muaj qee qhov kev sib tw ntawm airtightness, uas tuaj yeem txhim kho cov volatilization ntawm wine fwj, zoo khaws cov saj ntawm caw, thiab ua rau kom lub txee lub neej ntawm caw.
Yog vim li cas thiaj siv cov iav dub iav fwj. Caw yog rhiab heev rau lub teeb, thiab kev siv cov iav fwj tsaus nti tuaj yeem zam qhov tsis zoo ntawm cov cawv vim lub teeb, uas tuaj yeem tiv thaiv zoo ntawm cawv rau qee yam.