Building a concrete Koi pond is a very expensive thing to do.
建设一个具体的锦鲤池是一个非常昂贵的事情。
2
The performance of seepage prevention is an important index of the pond of thin wall of concrete.
防渗性能是混凝土薄壁水池的一项重要指标。
3
The bridge spans as a continuous concrete structure over a pond and stands out strongly in its flaming red color, traditionally the symbolic color of happiness in China.