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urban sanitation
eng.geol. 城市下水系统
tech. 城市下水道设备; 城市环境卫生
urban sanitation The renovation or redevelopment of the decaying areas of cities by the demolition or up-grading of existing dwellings and buildings and a general improvement in environmental conditions
environ. 城市环境卫生 (通过拆除或更新现有的住宅和建筑物以全面改善环境条件,对城市的衰败地区的翻修或重建。)
urban sanitation
: 1 phrase in 1 subject
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