Improving mechanical properties of paper and board manufactured from recycled paper is an important subject today.
改善回收纸张制造的纸张和纸板机械性能是当今的一个重要课题。
Firstly, the physical and mechanical properties of Shapotou soft rock are detailedly analysed in this paper.
首先，本文对沙坡头坝基软岩的物理力学特性进行了详细的分析。
This paper mainly discusses the relationship between mechanical properties and tailorability of woollen fabrics.
本文主要论述了毛织物的机械力学性质与缝纫性能之间的关系。
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