The supporting system of glass curtain wall in Wukesong Gymnasium is steel structure,whose high-section steel column is welded by thin steel sheet.是什么意思_The supporting system of glass curtain wall in Wukesong Gymnasium is steel structure,whose high-section steel column is welded by thin steel sheet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句