stone arch

短语词组

短语

• stone multi -arch dam 砌石连拱坝
• stone -flakes arch bridge 片石拱桥
• fine -stone concrete masonry arch dam 细石混凝土砌石拱坝
• long -span stone arch bridge 大跨径石拱桥
• non -hinged stone arch bridge 无铰石肋拱桥
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