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来源:雅诚德英语网
The structure comprises several arching waves of reinforced concrete, which support a four-lane highway.
结构由几个钢筋混凝土波浪状拱构成,支撑起一条四车道的公路。
The structure comprises several arching waves of reinforced concrete, which support a four-lane highway.
结构由几个钢筋混凝土波浪状拱构成,支撑起一条四车道的公路。