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?,??????????800?/??

12????????????????????11?,???????5500??????????799????????????/?,???????????800????/???????????????;12????????13?,CCTD????5500????800???/?????????????????

????????,????????????,???????12??????????????????18?????,CCTD?5500K?5000K?4500K??????????????????787?685?586?????????????/?,?39?????????/???????40?????????????/??47????/????????;?12????19?????????????,?????????????5500??????????????????770????????/?????

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