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来源:雅诚德英语网
Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.
出于对公众健康的担忧,1876年至1904年期间,为了服务于波士顿市区,政府修建了三个独立的下水道系统。
Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.
出于对公众健康的担忧,1876年至1904年期间,为了服务于波士顿市区,政府修建了三个独立的下水道系统。