presspaper

amendment 1 规范;叠层;层压;绝缘材料;

Specification for pressboard and presspaper for electrical purposes;

More serious is, partial manufacturer makes beehive shape material with presspaper actually, reoccupy glue is secured inside door plank.

更为严重的是，部分厂家竟然用薄制成蜂窝状材料，用胶水固定在门。