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水电工程受自然界不可预见因素影响很大,如遇特殊情况就会使工期拖延,将会给国家和企业带来上百万元甚至更多的直接和间接损失。北方地区解决的办法之一就是在严寒的冬季进行赶工。万家寨工程就是一例。万家寨水利枢纽主体工程共分为三个大标:即第Ⅰ标—大坝工程标;第Ⅱ标—厂房建筑与机组安装工程标;第Ⅲ标—机电设备采购
Hydropower projects are greatly affected by unforeseen factors in nature. In special cases, delays in construction will result in direct and indirect losses of millions or even millions of dollars to the state and enterprises. One solution to the problems in the north is to rush to work in the freezing winter. Wanjiazhai project is an example. The main works of Wanjiazhai Water Control Project are divided into three major objectives: the first Ⅰ standard - dam project standard; Ⅱ standard - plant construction and unit installation works standard; Ⅲ Ⅲ - Procurement of Electrical and Mechanical Equipment