大口径胶里水带供水泵压估算法张忠目前，在我国，特别是在水资源比较丰富的南方地区，消防部队已不再将６０～７０年代广泛使用的直径较小的麻质水带作为火场供水的主要工具，取而代之的是６５ｍｍ、９０ｍｍ等大口径胶里水带、并已在灭火战斗中大显神威。例一：１９９３... Large-diameter Polyethylene Water Supply Pump Pressure Estimation Method Zhang Zhong At present, in China, especially in the southern regions where water resources are relatively abundant, firefighting forces no longer use the smaller diameter hemp water belt widely used in the 60s and 70s. As the main tool for water supply in the fire field, it replaced the large-diameter rubber hoses such as 65mm and 90mm, and it has already shown its power in fighting fires. Example 1: 1993...