... natural arena illuminance 天然气象光照度 natural source 天然光源 natural beating 固有振动 ...
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裁切的生产区域应是创造天然光源的环境，以便于裁切人员能看清皮张的暗影或细微的颜色差别区域。
The production area where cutting takes place should be well lit to simulate daylight. This will assist the cutters to recognise shade variation in the materials.
LED水晶壁灯是一款高档的室内装饰灯具产品，采用高效节能环保的大功率LED为发光源，选用天然水晶、石英配制制作而成。
LED crystal lamp is a high-end interior lighting products, efficient use of energy saving high power LED as light source, the choice of natural crystal, made of quartz preparation.
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