活性污泥法曝气反应池的基本形式有
A. 推流式曝气池
B. 完全混合曝气池
C. 封闭环流式反应池
D. 序批式反应池
Which one is wrong?
A. "Limited parking" means "停车位有限".
B. "No parking except for loading" means "除装货外，禁止停车".
C. "Entry to motorway" means "交叉路口".
D. "Road closed" means "此路封闭".
"No passing line" means "禁止超越线"
A. 对
B. 错
"Foggy section" means “多雾路段”.
A. 对
B. 错
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