自己裝費用減半。
這個數字不算超過太多。裝個active radon mitigation system能輕易地搞到4以下。不到一千刀應該能搞定。
所有跟帖:
• 謝謝,我有興趣自己搞 -DC_Jeeper- ♂ (99 bytes) () 12/20/2018 postreply 03:45:29
• 找人吧,也不貴。如果在DC 附近我可推薦人。我家以前7,現在0.4 -acac- ♂ (0 bytes) () 12/21/2018 postreply 19:44:07
• 謝謝,我有興趣自己搞 -DC_Jeeper- ♂ (99 bytes) () 12/20/2018 postreply 03:45:29
• 找人吧,也不貴。如果在DC 附近我可推薦人。我家以前7,現在0.4 -acac- ♂ (0 bytes) () 12/21/2018 postreply 19:44:07
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