This article makes a deep study of formulated JN-90 low toxic urea-formaldehyde resin with different filler and extender and manufactured board using different tree species veneer.
就JN—90低毒性脲醛树脂胶铁调胶与不同树种单板的制板工艺进行了深入研究。
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。
Through developing experiment of typical engineering curved surface, main factors of manufactured developing profile board have been quantitatively researched.
通过对典型工程曲面的展开试验，定量地研究了制成展开样板误差的主要因素。
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