·2,447,543篇论文数据，部分数据来源于NoteExpress
The influences of different sulfonated lignite as compatible material on quality estimation of sulfomethyl phenol formaldehyde resin(SMP) were analyzed by experiments.
实验分析了作为配伍材料的磺化褐煤对磺甲基酚醛树脂质量评价的影响。
youdao
应用推荐
模块上移
模块下移
不移动