释义 |
crude material短语¹³¹⁶²⁰⁺³ 基本例句 原料 The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide. The yield is 77%. 以呋喃甲酸和正丙醇为原料,氧化亚锡为催化剂,合成了呋喃甲酸正丙酯,产率可达77% 。 cnki Please work out the total amount of crude material in this project. 请你计算出这个项目投料的总数。 nciku This request when twines the crude material belt must pay attention to a pro and con the order. 这要求在缠绕生料带时要注意一个正反的顺序。 yeyaba Phenothiazine is an important fine chemical product and crude material. 吩噻嗪是一种重要的精细化工产品和原料。 cnki |