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咱们中國现在已經走上了生産建設的時期,大批的工廠,就會陸續地蓋起来。開工廠往往得解决兩個很根本的問题,就是燃料和水的問题,這裏我们就随便談談工業上的用水。普通我們最關心的要算是水的硬度問题,讓我们從這裏開個頭。
China has now embarked on a period of production and construction. A large number of factories will be gradually built up. To open a factory, we often have to solve two very fundamental problems: fuel and water. Here we will talk about industrial water use. Ordinary we are most concerned about the hardness of water, let us start from here.