水利工程是一个系统工程,工期长、材料多,物价因素有是一个不确定的因素,存在着较大的风险,但又不能回避,所以在制定合同时,必须要做好材料价差的控制工作,事先对补差有明确的约定,本文就这一问题谈几点笔者的看法。 Water conservancy project is a systematic project, a long period of construction, materials, price factors are an uncertain factor, there is a greater risk, but can not be avoided, so in the development of the contract, we must do a good job in material price control , Prior to make up a clear agreement, this article on this issue talk about the author’s point of view.