Stainless steel solar energy in the "open", no electricity heating state, the use of good results, product life is longer, which is the rapid popularization of solar energy products advantages.
不锈钢太阳能在“敞开”、不加电加热状态下，使用效果较好，产品寿命也较长，这是太阳能产品能够快速普及的优势。
Science popularization is the product of labor division and social division.
科学普及是劳动分工-社会分化的产物。
The agricultural transport vehicle is a peculiar product of the present stage in our country. Its use and popularization are influenced by the reliability of the product.
农用运输车是我国现阶段特有的产物，它的使用和推广受到产品可靠性问题的影响。
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