Application of Plastic Corrugated Pipe and Vacuum-Assisted Grouting Technology in Prestressed Cast- in- Place Box Beam是什么意思_Application of Plastic Corrugated Pipe and Vacuum-Assisted Grouting Technology in Prestressed Cast- in- Place Box Beam在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句