This paper presents the construction difficulties, quality control points and supervision means for side arched beams of the Fourth Bridge on Xiangjiang in Xiangtan.是什么意思_This paper presents the construction difficulties, quality control points and supervision means for side arched beams of the Fourth Bridge on Xiangjiang in Xiangtan.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句