Great attention must be paid to linking theory with practice.必须十分注重理论联系实际.She stayed with them, linking arms with the two girls, joking with the boys.她跟他们呆在一起，与两个女孩手挽手，和男孩子们开着玩笑。Arrangements were well advanced for linkin...
The increase of the guanidine amount can improve the adsorption performance.胍基固载量的提高可以增加吸附剂对胆红素的吸附性能.Of thiazoles, sub Sulfonamide, guanidine type, thiuram type accelerator has activation.对噻唑类 、 次磺酰胺类 、 胍类 、 秋兰姆类促进剂有活化作用...