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UVA & UVB 最多可以一齊開幾耐? |
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點評
X2
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點評
UVA作用是提高溫度,幫助消化食物!UVB才是製造D3,幫助鈣質吸收!所以淨開UVB係ok嘅!
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點評
正解、呢個網都係咁demonstrate http://www.uvguide.co.uk/vitdpathway.htm :)
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