elastic packing造句
例句与造句
- Experimental study of treating wastewater in river with elastic packing
弹性填料处理河道污水实验研究 - The low cost track , which consists of the traditional wide - sleeper tack , ballast bed with rubber bits and the elastic packing material between sleepers , is a new type with three - dimensional elasitic support
摘要介绍以传统的宽枕轨道框架、碎橡胶道床、枕端无遮挡弹性定位和枕间弹性材料密封装配成的,具有三维弹性支撑的碎橡胶道床轨道。 - It's difficult to find elastic packing in a sentence. 用elastic packing造句挺难的