Mr. Wells, together with all the members of his family, ____

Mr. Wells, together with all the members of his family, _______ for Europe this

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The less the surface of the ground yields to the weight of a

The less the surface of the ground yields to the weight of a fully-loaded truck,

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拱桥中常用的拱架有( )。

拱桥中常用的拱架有( )。

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目前,在平原微丘区修建高速公路、一级公路采用涵洞结构类型较多的是( )。

目前,在平原微丘区修建高速公路、一级公路采用涵洞结构类型较多的是( )。

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斜拉桥索塔、斜拉索和主梁三者之间按其不同的结合方法,可以划分为( )体系。

斜拉桥索塔、斜拉索和主梁三者之间按其不同的结合方法,可以划分为( )体系。

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