单词：concrete foundation
concrete foundation的用法和样例：
例句
- Wood-frame houses are commonly supported on concrete foundations.木框架房屋一般支承在混凝土基础上。
- Throughout the world, concrete infrastructure reinforced with steel is waging a losing battle against corrosion.整个世界正在进行着钢筋混凝土基础设施腐蚀损失的斗争。
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