增压系统的作用是为飞行及地面所有阶段的温度和压力控制提供压缩空气。
The purpose of the pneumatic system is to supply compressed air for a controlled temperature and pressure environment during all phases of flight and ground operation.
RTCA是一个向航空工业提供建议的组织，它建议所有的飞机都应该禁止在飞行的关键阶段，尤其是起飞和降落的时候，使用这些电子设备。
RTCA, an organization which advises the aviation industry, has recommended that all airlines ban such devices from being used during "critical" stages of flight, particularly take-off and landing.
RTCA是一个向航空工业提供建议的组织，它建议所有的飞机都应该禁止在飞行的关键阶段，尤其是起飞和降落的时候，使用这些电子设备。
RTCA, an organization which advises the aviation industry, has recommended that all airlines ban such devices from being used during "critical" stages of flight, particularly take-off and landing.
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