Poor conditions and unsafety of aged sewers
老龄化的污水管网运行状况和安全性较差
The problems of high consumed energy and unsafety of the existing water heater is mainly solved.
主要解决现有热水器耗能高或不够安全的问题。
At last to control the occurrence of food unsafety events in the countryside by prevention and treatment.
从而从防治多方面着手控制农村食品不安全事件的发生。
英文例句大全为您提供unsafety英文例句大全,unsafety英文造句,关于unsafety的英语句子,单词unsafety怎么造句,unsafety英文例句大全有哪些,哪些英语句子是关于unsafety,英语单词unsafety的句子,单词unsafety如何造句,unsafety怎么造句等。