environment- friendly goatskin的用法和样例：
例句
- Therefore structural steelwork is energy-efficient and environmentally friendly type of building structures.
因此钢结构又是环保型和节能型建筑结构。 - The worldwide situation and development trend of environmentally friendly polishing and surface coloring on stainless steel were summarized.
概括了国内外环保型不锈钢抛光和表面着色工艺技术的现状和发展动态。
