问题
单项选择题
A hydraulic accumulator is designed to（）.
A.store fluid under pressure
B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system
答案
参考答案：A
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A hydraulic accumulator is designed to（）.
A.store fluid under pressure
B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system
参考答案：A