Abstract In this paper, the basic method of the prestressed concrete of bonded post tensioning in the construction of a large span roof truss and the realization of using the XM anchorage is expounded .是什么意思_Abstract In this paper, the basic method of the prestressed concrete of bonded post tensioning in the construction of a large span roof truss and the realization of using the XM anchorage is expounded .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句