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早上我想给家里的吊兰浇水,但是妈妈说自来水不适合浇花,这是为什么呢?打开水龙头,自来水就“哗哗”地流出来了,你知道自来水和河水、江水等有什么区别吗?我们所说的自来水,是在水厂经过加药、混凝、过滤等过程生产出来的。其中最重要的一步就是加药了,工人们要在水中加入凝聚剂和消毒剂。凝聚剂能将水中一些杂质小颗粒凝聚成大颗粒,这样更容易沉淀,而消毒剂则能把水中
In the morning I want to water the spider plant in the house, but my mother said that water is not suitable for watering flowers. Why is this? Turn on the faucet and the tap water will flow out and you know what tap water, river water, etc. What is the difference? What we mean by tap water is produced in the waterworks after dosing, coagulation, filtration and other processes. One of the most important step is the dosing, the workers added to the water coagulant and disinfectant. The coagulant can coagulate some small impurities in the water into large particles, which makes it easier to precipitate, while the disinfectant can put the water