Taking the concreting of the tressel for gate No.1 for example, the design of tracks and slip forms for tressels is given.是什么意思_Taking the concreting of the tressel for gate No.1 for example, the design of tracks and slip forms for tressels is given.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句