所有聚合物,在剧烈条件下, 亦即在燃烧温度下,都同氧发生反应.All polymers react with oxygen under extreme conditions, that is, at combustion temperatures.他和他谈着最善的 、 亦即最简单的真理.He told him the best truths, which are also the most simple.如果我吃了两块, 我就吃了 四分...
鱼的大小决定鱼排的厚度。The size of the fish will determine the thickness of the steaks.英国煤层的平均厚度为1米。The average UK coal seam is one metre thick.木材按厚度分级.The timber is graded according to its thickness....
Results Galangin was obtained step column chromatography of polyamide only once.结果运用聚酰胺柱层析一次分离,获得有效成分高良姜素.Results Galangin was obtained by on - step column chromatography of polyamide only once.结果运用聚酰胺柱层析 - 次分离,获得有效成分高良姜...