天涯明月刀孤魂段常:环保材料英文怎么说?
来源:百度文库 编辑:中科新闻网 时间:2024/05/28 11:42:24
环保材料
英文怎么说?
英文怎么说?
green material
environmentally friendly materials.
materials protecting environment
green material
environmentally friendly materials.
materials protecting environment