... R22 (GWP=1,810)、R410a (GWP =2,088)、R134a (GWP=1,430)與R32 (GWP=675)更為節能、更環保。 碳氫化合物冷媒較氟碳冷媒的熱效率高50%,且工作壓力較氟碳冷媒低約20 ...
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