Ozone yog dab tsi? Ozone yog tsim nyob rau hauv cov xwm los ntawm corona paug uas tshwm sim thaum muaj hluav taws xob xob laim, qhov no yog qhov ntawd huv, ntxhiab tsw qab tom qab los nag. Nws yog ib qho ntawm cov tshuaj tua kab mob uas muaj zog tshaj plaws. Nws tuaj yeem tshem tawm cov kab mob, kab mob, kab mob, ntxhiab tsw, pwm thiab pwm tsis muaj mob hnyav ...
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