美国和加拿大约有4,970个场所使用R744,另有1,230套低充注量氨(R717)装置和460万个碳氢冷柜。
【英文原文】
原标题:Adoption of Transcritical CO2 in North America Increases by 45%
There were around 4,970 sites using R744 in the U.S. and Canada, along with 1,230 low-charge ammonia installations and 4.6 million hydrocarbon cabinets.




