氧化过程对 反应烧结 碳化硅材料的导电性能影响不大.But the oxidation of RB - SiC does't affect largely on its electric conduction.常用的轴承材料有碳化硅陶瓷 、 石墨 、 填充聚四氟乙烯等.Commonly used bearing material has SiC ceramics, graphite, PTFE, such as filling...
With the help of that handclasp, he succeeded.正是借助于那次握手, 他获得了成功.The essence for him is not the warm handclasp and the smiling photograph.对于他,重要的不是热烈的握手和微笑的照片....
他们津津有味地听说书人讲故事.They all listened to the storyteller with thirsty ears.他是首位将凯尔特说书人讲的故事记载下来的人。He was the one who first set down the stories of the Celtic storytellers.那是这月初表演的八位训练有素的说书人之一.That was one of eight trained stor...