| 最早的化粪池起源于19世纪的欧洲 |
| 添加时间：2019/5/24 14:11:44 浏览次数： |
| 最早的化粪池起源于19世纪的欧洲，距今已有100多年的历史。 The earliest septic tanks originated in Europe in the 19th century and have a history of more than 100 years. 在城市生活区内设置化粪池的初始目的是为了积取肥料。随着城市化的进展及环境污染的加剧，化粪池对保护水体起到了积极作用。现今，在我国许多大城市，化粪池为农业生产提供肥料的作用已基本消失， 化粪池已成为环境保护的基本措施之一。 The initial purpose of septic tanks in urban living areas is to accumulate fertilizer. With the progress of urbanization and the aggravation of environmental pollution, septic tanks have played a positive role in www.hanbaiyushidiao.cnwww.shaiban.net.cnwww.shidiaodaxiang.cnwww.xiaoxieqi.com.cnwww.banjiacz.cn www.datongbanjia.cnprotecting water bodies. Nowadays, in many big cities of our country, the role of septic tanks in providing fertilizer for agricultural production has basically disappeared, and septic tanks have become one of the basic measures of environmental protection. |
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