The main spans of Huiqing Yellow River Bridge are designed as a prestressed concrete lower tower cable-stayed bridge with twin towers and single cable plane. The main spans are (133+220+133)m.是什么意思_The main spans of Huiqing Yellow River Bridge are designed as a prestressed concrete lower tower cable-stayed bridge with twin towers and single cable plane. The main spans are (133+220+133)m.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句