单项选择题
A.TCV B.FCSOV C.X-BLEED D.HX FAN
A.0 to 35°C B.20 to 35°C C.12 to 35°C D.-5 to 35°C
A.±5°C B.±30°C C.±15°C D.±28°C
A.氧气超压 B.氧气低压 C.氧气压力为零 D.正常情况
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