关于Styrofoamorpolystyre的百科

•    Styrofoam,orpolystyrene,isalight-weightmaterial,abou...

• 问题详情：   Styrofoam,orpolystyrene,isalight-weightmaterial,about95percentair,withverygood insulation(隔热)properties,accordingto.Itisusedinproductsfromcupsthat keepyourdrinkshotorcoldtopackagingmaterialthatprotectsitemsduringshipping.   Witht...
• 2019-10-0315288