目前，我国大多数污水处理控制系统自动化水平不高、安全性低、管理不当，效率普遍低于世界标准。
At present, the majority of sewage treatment control systems in our country are low automatized, low secure and mismanagement, and the efficiency is commonly under the international standard.
目前，我国大多数污水处理控制系统自动化水平不高、安全性低、管理不当，效率普遍低于世界标准。
At present, the majority of sewage treatment control systems in our country are low automatized, low secure and mismanagement, and the efficiency is commonly under the international standard.
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