concrete-fdled steel tubes的用法和樣例：
例句
- Wushan Changjiang River Bridge is a half-through concrete-filled steel tube arch bridge.
摘要巫山長(cháng)江大橋是一座中承式鋼管混凝土拱橋。 - With the same steel ratio, square CFT is compared with circle CFT in bearing resistence and load-deformation curves.
在含鋼率相同情況下，與圓鋼管混凝土比較承載力以及荷載位移曲線(xiàn)的差別。
