Jayrein 发表于 2013-7-6 04:23 PM
since its a muet speaking, there are a lot you can talk about
problems and solutions
A- making pu ...
CaiqianW 发表于 2013-7-6 12:45 PM
hmm. you can talk bout the advantage of it and how it could help to reduce the carbon emission perha ...
lymm 发表于 2013-7-6 05:08 PM
thank you very much, can u explain more about B? how it can reduce carbon emisson?
Jayrein 发表于 2013-7-6 05:37 PM
of cause the best way to reduce carbon impact from air conditioner is to do without
but this soun ...
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