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单选题
来自于前后腔、滑油-燃油换热器、可调放气活门、可调静子叶片的油液也会通过这些放泄管排到外面。
A
Fluid from the forward and aft hyraulic fluid cavities, oil-fuel heat exchanger, variable bleed valves, variable stationary vanes are discharged overboard through drains.
B
Fluid from the forward and aft oil sumps, oil-fuel heat exchanger, variable bleed valves, variable stationary vanes are discharged overboard through drains.
C
Fluid from forward and aft sumps, oil-fuel heat exchanger, VBV, and VSV are discharged overboard through drains.
答案解析
正确答案：C
