求翻译：设计的主要内容包括：设计规模的确定、给水系统选择、给水方案比较、取水工程设计、净水厂设计、二级泵房设计和输配水管网的计算与平差是什么意思？

The design of the main contents include: design of the scale, select the water supply system, water supply scheme, water engineering, water purification plants design, calculation and adjustment of the design of two pumping stations and transmission and distribution pipes network

The main design elements include: the design of the scale, to determine water system selection, compared to the water program, water engineering, water purification plants design, the level 2 pump room design and supply of water pipes, and calculated the

The design primary coverage includes: The design scale determination, for the aqueous system choice, for the water plan comparison, takes the water engineering design, only the water works design, two level of pump house designs and loses the distribution network of water supply the computation and

Key features of the design include: determine the size of the design, choice of the water supply system, water supply scheme comparison, water design, water treatment plant design, two-stage pumping station design and calculation of water distribution network and adjustment

正在翻译，请等待...