制冷系統是中(zhōng)央空調系統至關重要的部分(fēn)，其采用(yòng)種類、運行方式、結構形式等直接影響了中(zhōng)央空調系統在運行中(zhōng)的經濟性、高效性、合理(lǐ)性。

Refrigeration system is a crucial part of central air conditioning system. The type, operation mode and structure directly affect the economy, efficiency and rationality of central air conditioning system in operation.