短语词组短語X -type arch bridge 提籃式拱橋double x -shape arch bridge 斜靠式拱橋steel box x -arch bridge 鋼箱提籃拱double steel box x -arch bridge 複式鋼箱提籃拱long -span X-Style Arch bridge 大跨度提籃拱x -style tied arch bridge 提籃式系杆拱橋 返回 x-bridge