(1) Lub teeb xa hluav taws xob siab, pob tshab ntawm 60% -95%, tuaj yeem ua kom pom qhov xav tau ntawm cov teeb pom kev zoo thiab kev pom ntawm cov qauv teeb pom kev zoo, xws li hauv pem teb, iav kab hlau rhuav phab ntsa, qhov rais, thiab lwm yam, thiab xyuas kom meej tias qhov tseem ceeb. ntawm cov iav kab hlau rhuav phab ntsa muaj qhov pom kev ua haujlwm.(2) Nws yog ...
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