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【单选题】
单向板的受力钢筋应在( )方向布置。A.
板的短边
B.
板的长边
C.
任意方向
D.
长边和短板根据实际情况确定
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反馈参考答案：
举一反三
【多选题】下列哪几项说法正确?
A.
厌氧膨胀床较流化床采用较大的上升流速，填料颗粒膨胀率仅达到20%~70%
B.
升流式厌氧污泥床上部设有气-液-固三相分离器
C.
两级厌氧消化时酸化和甲烷化过程分别在两个串联反应器中进行
D.
厌氧生物滤池可通过回流部分处理水，稀释进水并加大水力负荷的方式避免滤池堵塞。
【简答题】污水处理有哪几个级别？
【简答题】Task 3 Fill in each blank with the appropriate form of the word given in brackets. 1. (evaluate)_________ of this new treatment cannot take place until all the data have been collected. 2. This is a ...
【简答题】Thank you for this wonderful farewell party for me. When I'm leaving, nothing is 11 than to learn that I am so special. I want everyone here to know that this is the place where I have become the pers...
【简答题】Thank you for this wonderful farewell party for me. When I'm leaving, nothing is than to learn that I am so special. I want everyone here to know that this is the place where I have become the person ...
【单选题】压力滤池将滤料置于密闭的压力容器中,与普通快滤池比较 。 [ ]
A.
过滤周期更短，反洗次数更多
B.
滤料粒径更小，滤层厚度更小
C.
多采用大阻力配水系统
D.
更适用于水量较小而悬浮物浓度又相对较高的场合
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