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.The activation energy for dehydration reaction has been calculated by Freeman - Carroll method.采用Fre...
You'll have to disassemble the drill.你得拆开这个钻头。We had to completely disassemble the engine to find the problem.我们只好把发动机全部拆开以寻找故障原因。The leg disassemble easily and will flat - pack for transportation and storing.桌腿可以轻松...