用卤粉生产的灯管，光的质量低下，大量使用会引起严重的光污染。
With the halogen powder producing lamp tube, the light quality is low and massive USES can cause the serious light pollution.
用卤粉生产的灯管，光的质量低下，大量使用会引起严重的光污染。
With the halogen powder producing lamp tube, the light quality is low and massive USES can cause the serious light pollution.
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