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【多选题】
气穴的危害有
A.
导致系统工作不稳定。
B.
气泡破裂后易腐蚀管路。
C.
降低油液寿命。
D.
保护执行元件。
题目标签：气穴
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举报参考答案：
举一反三
【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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