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本文通过对 R717和 R22的性能比较,以及两个制冷系统的实际使用和环保的要求,进一步强调了在大型商业制冷系统内使用 R717为制冷工质的必要性。
This article further highlights the need for the use of R717 as a refrigerant in large commercial refrigeration systems by comparing the performance of R717 and R22 with the actual use and environmental requirements of both refrigeration systems.