单选题When air becomes trapped in the hydraulic fluid of a steering system, the （）.Arudder will respond sluggishlyBhydraulic rams will over-speedCsight glass will show bubblesDram relief valves will lift
单选题
When air becomes trapped in the hydraulic fluid of a steering system, the （）.
A
rudder will respond sluggishly
B
hydraulic rams will over-speed
C
sight glass will show bubbles
D
ram relief valves will lift
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