材料	特质聚乙烯	功能	吊顶
厚度	0.16	特性	防火

u=3168097358,1391863

u=3027093342,2193048

u=2821517885,3673720

u=2645526592,1079277

u=2347812176,9617536

u=3983687971,1144137

u=4024104032,2271806

u=3834619439,1363596