We open it up and it's full of peanuts, styrofoam peanuts. 我们打开了它，里面都是花生，发泡的花生。
The Chinese-built dust removal filtration material is made through hot-roll moulding of polyester fiber and coated with high-polymer frothing. 摘要国产除尘滤材是将聚酯纤维热轧成型，再涂敷高分子发泡制成。
