制冷设备和热泵。安全和环境要求。容积式制冷剂压缩机。
Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors.
制冷设备和热泵。安全和环境要求。第4部分：操作、维护、修理和恢复。
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: operation, maintenance, repair and recovery.
蒸汽压缩热泵是未来大型航天器热控系统和制冷设备的新方案。
Vapor compression heat pump is a new concept of thermal control system and refrigerator for future space use.
蒸汽压缩热泵是未来大型航天器热控系统和制冷设备的新方案。
Vapor compression heat pump is a new concept of thermal control system and refrigerator for future space use.
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