The copper foil board base paper is the fundamental material to product the paper of printing line board, and also is a kind of higher degree special industrial paper.
覆铜箔层压板原纸是生产印刷线路板用全纸基覆铜箔层压板的基础材料，是一种生产难度较高的特种工业用纸。
The paper states the concept of intelligence material, composite material base, research of optical fibre intelligence material and structure, and applied examples of intelligence material.
席丈介绍智能材料的概念、复合材料基体、光纤智能材料与结构的研究及应用实例。
Natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made up.
砂布、砂纸及以其他材料为底的类似品，不论是否裁切、缝合或用其他方法加工成形。
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