uppe造句

例句与造句

1. unsaturated polyphosphoester ( uppe ) containing unsaturated double bonds in main chain was synthesized with fumaric acid, 1, 2-propylene glycol and phosphorous oxychloride as the initiation materials
   摘要以富马酸和三氯氧磷为起始原料，合成了主链重复结构单元中含不饱和双健的聚磷酸酯。
2. It's difficult to find uppe in a sentence. 用uppe造句挺难的