trumpet arch

常见例句

• The box-shaped arch construction to Yilan-Mudanjiang Bridge in Harbin-Tongjiang Expressway is provided especially in big span moulding of the site and installation of tons.
  重點介紹了哈同公路依蘭牡丹江大橋箱形拱的施工工藝及在箱形拱施工中大跨逕現澆和大噸位安裝的施工經騐。
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