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问题 单项选择题

平流式沉淀池均匀布水是指在沉淀池（）断面上流速分布要均匀。

A、进水区入口

B、沉淀区出口

C、存泥区底部

D、出水区出口

答案

参考答案：A

单项选择题

Written in a hurry,______. How can it be satisfactory

A. they found many mistakes in the report
B. Sam made lots of mistakes in the report
C. there are plenty of mistakes in the report
D. the report is full Of mistakes
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问答题 简答题

机体热量是怎么产生的？
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