The approximate number of tracks and general sizing of the sheds, function and specification shall be clarified before contract signing. 在签订合同以前,应澄清轨道的大概数量、工棚的一般尺寸、功能与规格。
Based on graph theory and pipe-network theory, the program with the functions of the calculation of branch flow distribution, resistance loss, adjustment for pressure difference, pipe sizing, the specification of water pumps and balance valves, and the design optimization was developed. 利用图论和管网电算理论开发的计算机程序能够实现空调水系统设计中管段流量分配的计算、管径选择、系统总阻力和调节参数的计算、水泵和平衡阀的选型等功能。
Sizing of main specification and equipment selection of the 4m~ 3 grab dredger for Yangtze River upstream operation 长江上游4m~3抓斗船主要技术参数和设备的选择