我们都知道,水利枢纽的设计不是一下子可以做完的,而是必需经过几个设计阶段。在每一个阶段,都明确了一些结构特点和解决了一些开始不很明确的问题。在开始设计的阶段,设计、勘测人员只了解在这个地方的条件下要实现的意图。但是为了实现这个意图,还应该很好地了解当地的条件。没有设计人员在一起,勘测人员就会看不清,或者不能经常确 We all know that the design of a water conservancy hub cannot be completed at once, but must go through several design stages. At each stage, some structural features are clearly defined and some problems that are not very clear at the beginning are solved. At the beginning of the design phase, design and surveyors only understand the intentions to be achieved under the conditions of this place. However, in order to realize this intention, we should also understand the local conditions well. Without surveyors, surveyors will not be able to see clearly or