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U3000光源,美國(guó)商業(yè)熒光-色溫3000k, 稀土商業(yè)熒光燈，用于商場(chǎng)照明。部份美國(guó)客戶商店光源,如沃爾瑪（wal-mart）,Sears等. Philips U30為目前市面上zui受用的3000K色溫?zé)艄?，舉凡GretagMacbeth、GTI等大廠的燈箱，皆使用此燈管做為3000K色溫標(biāo)準(zhǔn)光源。

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標(biāo)準(zhǔn)光源對(duì)色燈箱燈管U30，它可以與TL83通用，因?yàn)樗鼈兩珳囟紴?span lang="EN-US">3000K