Porous foam metal is a new kind of function material, and it has been excepted to become a new style material integrated function and construction performances.
多孔泡沫金属是一种内部含义许多空隙的新型材料。
All final work must be on photographic film, or on electronic file, or electronic print material, mounting excepted.
所有参赛作品必须为照相软片，电子文件，或冲印照片。
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