致冷系统 meaning in Chinese

refrigerating system

Refrigerating systems - test methods - general requirements
致冷系统.试验方法.一般要求
Pipelines in refrigerating sytems and cooling equipment - marking
致冷系统和制冷设备的管路.标志
Specification for design and manufacture of carbon steel unfired pressure vessels for use in vapour compression refrigeration systems
蒸汽压缩致冷系统用碳钢非用火压力容器的设计和制造规范