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Copies of the basic material are currently made available to the area medical officer . 基本材料的副本及时地送给地区卫生官员。 This first section covers some basic material on xml syntax 第一节介绍xml语法的一些基本知识。 Some basic material problems in preparing ybco superconductors by directional solidification 超导体的若干材料学问题 Plastics . basic materials for polyurethane . determination of the density of isocyanates 塑料制品.聚氨基甲酸酯塑料.异氰酸盐密度的测定 Plastics . basic materials for polyurethanes . polyesters . determination of the hydroxyl value 塑料制品.聚氨基甲酸酯塑料.聚酯.烃基值的测定 The steel scrapped here and there is the basic material in the manufacture of the stainless steel 四处堆放的废钢是生产不锈钢的主要原料。 Plastics . basic materials for polyrethanes . determination of the acid index of polyethers 塑料制品.聚氨基甲酸酯塑料.聚醚.聚醚酸指数的测定 Plastics . basic materials for polyurethanes . polyethers and polyesters . determination of water 塑料制品.聚氨基甲酸酯塑料.聚醚和聚酯.水分的测定 Plastics . basic materials for polyurethanes . polyethers . determination of non saturation level 塑料制品.聚氨基甲酸酯塑料.聚醚.不饱和系数的测定
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