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单选题
2751. 将溢流阀门拔动开关保持在打开位置,直到流出阀位置指示器显示完全打开。
A
Hoist the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
B
Hoist the outflow valve trigger switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
C
Hold the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
答案解析
正确答案：C
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