there are few retrofit alternatives..

来源: jy101 于 2012-07-11 09:54:09 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (63 bytes)
回答: R-438A 可以替代R22 由 formula-1 于 2012-07-11 09:30:02

there are few retrofit alternatives..

r422d is another one,

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• the prices vs. R22? -jessefan- ♀ 给 jessefan 发送悄悄话 (0 bytes) () 07/11/2012 postreply 11:28:47

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