绿色环保无污染，冷光源设计，无热辐射。
The green environmental protection without pollution, cold light source design, no heat radiation.
石滚河河流密布，山清水秀，素有天然氧吧之称，所产板栗绿色环保无污染。
The stone Gunhe rivers, picturesque scenery, known as the natural oxygen bar, the Chinese chestnut is green environmental protection and no pollution.
电热锅炉具有无噪音，无污染，技术先进，绿色环保，制造简单，结构紧凑及安全高效等特点。
Electric heating boilers enjoy the following merits: no noise, no pollution, advanced technology, simple fabrication, compact construction, safe and high efficiency operation, etc.
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