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【多选题】
防止气穴与气蚀的措施有（ ）。
A.
系统油压高于空气分离压力。
B.
液压泵应有足够的管径，以避免狭窄通道或急剧转弯。
C.
尽可能减小液压泵的吸油阻力。
D.
尽可能降低油液中空气的含量。
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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