上等级 meaning in Chinese

upgrading

There are six floors and the attributes of the men increase as the shopper ascends the flights
我们的商店有6层，每一层都有等级不同的男人，越往上等级越高。
Meters . there were two berths of 5000 - ton class , one berth of 10 , 000 ton - class was under construction
交通建设方面，全市新建、改建、扩建了一批地方公路和上等级公路，通车里程3097
Abstract : this paper introduce the cleaning technology of the processing hydraulic element and the application of the water base metallic detergent . this technology will to improve the quality of the hydraulic element
文摘:通过对液压件生产中清洗工艺的论述及水基金属清洗剂的应用和试验，阐明了液压元件的清洗工艺过程及清洗剂的选用，为液压元件上等级提供了技术保证。