In this paper,the wear comparision tests between the TB tapered treads and the LM type treads used on 260 torpedo form iron mixing car wheels are introduced,and it is proved that the use of LM type treads provides appreciable economic benefits.是什么意思_In this paper,the wear comparision tests between the TB tapered treads and the LM type treads used on 260 torpedo form iron mixing car wheels are introduced,and it is proved that the use of LM type treads provides appreciable economic benefits.在线翻译_英语_读音_用法_例句