全部新型的客机都必须经过气候测试，以确保系统在飞机预计经历的所有工作温度范围内正常工作。
All new airliners must undergo climatic testing to ensure that systems work in all the temperature ranges the aircraft is expected to experience.
在较高的工作压力和较高的工作温度范围内，能实现完全密封。
Work at a higher pressure and higher operating temperature range, can be completely sealed.
经验证，在一般制冷空调工程的实用工作温度和压力范围内，该组参数方程有良好的计算精度，可应用于工程设计。
Under the common working conditions of refrigeration and air-conditioning, those parameter equations can be applied to the engineering designs.
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