违反《航标条例》第十一条的规定,在航标附近设置有碍航行安全的灯光或音响装置;
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Used newest lighting technology of semi-conductor, safety, long lifetime, and environment friendly.
使用最新的半导体照明技术,安全、长寿、无污染;
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self-ballasted lamps for general lighting services - safety requirements; amendment 2
一般照明用自镇流灯。安全要求。第2次修订
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specification for self-ballasted lamps for general lighting services safety requirements
符合一般照明设施安全要求的自镇流电灯规范
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特点:光效高,体积小,容易使用,安全,远或近照明效果佳。
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运土机械安全性.照明、信号灯和标记灯、以及反射式反射镜装置
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Grote Industries a leading manufacturer and marketer of vehicle lighting and safety systems.
格罗特是车灯安全系统制造行业中的开创者.
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Good lighting, like good ventilation, is one of the major safety factors in underground mining.
良好的照明同良好的通风一样, 是地下开采主要安全因素之一.
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