可以在家中辟出一块地方用做孩子的写作中心，并配有小白板，英文字母教具，铅笔，彩笔和纸张等材料。
Homes can have writing centers with materials such as magnetic letters, white boards, pencils, crayons, markers and paper.
一本古书散发出来的熟悉的霉味源于纸张或其它如装订线等材料发出的数百种不同的挥发性有机化合物。
An old book's familiar musty smell is due to hundreds of different volatile organic compounds gassing out from the paper and other materials, such as the binding.
此外，我们的产品还包括高性能金属冲压机的传送带，木材，材料处理，机场，纸张加工等行业的传送带。
In addition, our assortment also includes high performance conveyor belts for the metal stamping, wood, material handling, airport, paper converting and other industries.
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