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单选题
空调系统将机身增压舱的空气保持在正确的压力、温度和新鲜度。
A
The air conditioning system keeps the air in the pressurized fuselage compartments at the correct pressure, temperature and freshness.
B
The air conditioning system keeps the air in the pressurizing cabin of the fuselage at the correct pressure, temperature and freshness.
C
The air conditioning system keeps the air in the pressurized cabin of the fuselage at the correct pressurization, temperature and freshness.
答案解析
正确答案：A
相关知识点：
空调系统保持机身空气状态
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