电料;
The major effects of fresh air requirement are outdoor air quality, pollutants caused in daily life, building materials, decorative materials and contaminant released by furniture and electrical appliances.
新风量的影响因素众多,主要受室外空气质量、家居生活产生的污染物以及建筑材料、装修装饰材料、家具电器等释放的污染物影响。
The advantages and applications of powder metallurgy materials in electrical appliances are briefly introduced.
介绍了家用电器中的粉末冶金材料的特点和应用慨况.
微语录 · 爱情句子
微语录 · 生活常识
微语录 · 百科知识
微语录 · 经典语录