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【单选题】
Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）
A.
Vapor pockets formed in the suction flow stream
B.
Rough easing volute suces
C.
Worn wearing rings
D.
Heavy fluid in the flow stream
题目标签：气穴
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【单选题】Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）
A.
Vapor pockets formed in the suction flow stream
B.
Rough easing volute surfaces
C.
Worn wearing rings
D.
Heavy fluid in the flow stream
【单选题】Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）
A.
Vapor pockets formed in the suction flow stream
B.
Rough easing volute surfaces
C.
Worn wearing rings
D.
Heavy fluid in the flow stream
相关题目：
【单选题】Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）
A.
Vapor pockets formed in the suction flow stream
B.
Rough easing volute surfaces
C.
Worn wearing rings
D.
Heavy fluid in the flow stream
【单选题】Which of the listed conditions can lead to cavitation气穴in a centrifugal pump?（）
A.
Vapor pockets formed in the suction flow stream
B.
Rough easing volute surfaces
C.
Worn wearing rings
D.
Heavy fluid in the flow stream
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