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[计算题]我国西南地区某水电站水库正常高水位1130.0m，死水位1105.0m，正常尾水位762.75m，最低尾水位761.50m；引水隧洞长8000m，最大引用流量220.0立方米每秒，洞径8.0m，相应于可能最小、最大糙率的水头损失（含局部损失）分别为11.40m和15.60m；压力管道长500m，直径7.0m，相应于可能最小、最大糙率的水头损失（含局部损失）分别为4.40m和5.50m，试通过计算分析：（1）该水电站引水系统是否需要设置上游调压室？（2）若需设置上游调压室，其横断面面积至少应该多大。
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参考答案：
举一反三
【判断题】单片机的并行口中,可以作为系统扩展数据线的为P0。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Only one of these places is ______.
A.
worth visit
B.
worth to visit
C.
worth visiting
查看完整题目与答案
【单选题】为数据中心选取地址时,一般不会优先考虑下面这些因素:
A.
是否有廉价的电能
B.
是否靠近大型水源
C.
是否有较大面积的空地
D.
是否有良好的空气质量
查看完整题目与答案
【多选题】道教产生的渊源主要有( )。
A.
以佛理解释老庄学说
B.
殷商时期的鬼神自然崇拜
C.
战国时期的神仙信仰与方术
D.
两汉流行的黄老学说
E.
人民生活困苦,老百姓易于接受关于彼岸世界的说法
查看完整题目与答案
【单选题】The film is an award winner and is______.
A.
worth to see
B.
worth of seeing
C.
worth being see
D.
worth seeing
查看完整题目与答案
【单选题】The question is not ____. [     ]
A.
worth to consider
B.
worth to be considered
C.
worth considering
D.
worth being considered
查看完整题目与答案
【单选题】The book is _____. [     ]
A.
worth being read
B.
worth to be read
C.
worth of being read
D.
worth reading
查看完整题目与答案
【单选题】______ is worth doing well.
A.
Whatever is worth doing at all
B.
That is worth doing at all
C.
What is worth doing at all
D.
Whatever is worth doing it at all
查看完整题目与答案
【单选题】Your proposal deserves ______ and is worth
A.
to be discussed, to be tried
B.
discussing, trying
C.
to be discussed, trying
D.
discussing, to be trying
查看完整题目与答案
【单选题】I think this story is _____ .
A.
worth being read
B.
worth reading
C.
worth to read
D.
worth of reading
查看完整题目与答案
相关题目：
【判断题】单片机的并行口中,可以作为系统扩展数据线的为P0。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Only one of these places is ______.
A.
worth visit
B.
worth to visit
C.
worth visiting
查看完整题目与答案
【单选题】为数据中心选取地址时,一般不会优先考虑下面这些因素:
A.
是否有廉价的电能
B.
是否靠近大型水源
C.
是否有较大面积的空地
D.
是否有良好的空气质量
查看完整题目与答案
【多选题】道教产生的渊源主要有( )。
A.
以佛理解释老庄学说
B.
殷商时期的鬼神自然崇拜
C.
战国时期的神仙信仰与方术
D.
两汉流行的黄老学说
E.
人民生活困苦,老百姓易于接受关于彼岸世界的说法
查看完整题目与答案
【单选题】The film is an award winner and is______.
A.
worth to see
B.
worth of seeing
C.
worth being see
D.
worth seeing
查看完整题目与答案
【单选题】The question is not ____. [     ]
A.
worth to consider
B.
worth to be considered
C.
worth considering
D.
worth being considered
查看完整题目与答案
【单选题】The book is _____. [     ]
A.
worth being read
B.
worth to be read
C.
worth of being read
D.
worth reading
查看完整题目与答案
【单选题】______ is worth doing well.
A.
Whatever is worth doing at all
B.
That is worth doing at all
C.
What is worth doing at all
D.
Whatever is worth doing it at all
查看完整题目与答案
【单选题】Your proposal deserves ______ and is worth
A.
to be discussed, to be tried
B.
discussing, trying
C.
to be discussed, trying
D.
discussing, to be trying
查看完整题目与答案
【单选题】I think this story is _____ .
A.
worth being read
B.
worth reading
C.
worth to read
D.
worth of reading
查看完整题目与答案
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