同根派生 tie beam相关词英汉例句用作名词 (n.)The foundation of the pylon is composed of bored piles and separate pile caps connected with prestressed concrete tie beams.主塔基础采用分离式承台钻孔桩基础,两承台设横系梁连接,系梁为预应力混凝土结构。tie beam更多例句