在R22、R134A.R123三种工质下,对大气臭氧层破坏程度由大至小排列,正确

资格题库2022-08-02  33

问题 在R22、R134A.R123三种工质下,对大气臭氧层破坏程度由大至小排列,正确的是下列哪一项?A.R22、R123、R134aB.R134a、R22、R123C.R123、R134a、R22D.R22、R134a、R123

选项 A.R22、R123、R134a
B.R134a、R22、R123
C.R123、R134a、R22
D.R22、R134a、R123

答案 A

解析
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