As a result of prestress, T-shaped beam of post-prestressed concrete appears invert camber and lateral bending on the prestretching stage.是什么意思_As a result of prestress, T-shaped beam of post-prestressed concrete appears invert camber and lateral bending on the prestretching stage.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句