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[单选] Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?()

A . The viscosity off the fuel
B . The quantity of water to be removed from the fuel
C . The specific gravity of the fuel
D . The quantity of dirt to be removed from the fuel

分布式电源配电网调度自动化系统的管理原则有哪些? 简述对流烘燥法。 分布式电源接入电网有哪些安全要求? 分布式电源接入电网有哪些接线方式? What is a characteristic of all centrifugal cargo pumps? () They are self-priming。 Decreasing the speed of rotation will decrease the discharge pressure。 Opening the discharge valve wider will increase the discharge pressure。 All of the above。 Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?()
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