Heatproof silastic sealed ring, non - aging and good sealing property.耐热硅橡胶密封圈, 不易老化,密封性能好.Electronics stepless speed regulation , conveyor utilized rotated bar with heatproof tube.电子无级调速, 输送机构采用自转式输送棒并加耐高温套管.Heatproof e...
He noted the disharmony between husband and wife.他觉察出这对夫妇不太和睦.The regional development disharmony is disharmony of urban - rural development in essence.区域发展不协调本质上是城乡发展不协调.For those who are ill, illness is an internal for...