题目内容:
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、R134a
B.R134a、R22、R123
C.R123、R134a、R22
D.R22、R134a、R123
参考答案:
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、R134a
B.R134a、R22、R123
C.R123、R134a、R22
D.R22、R134a、R123