羊城姐好！不仅仅是省钱。Summer air-conditioning puts a unbearable demand on

来源: 煮鸡蛋 于 2019-07-15 20:23:49 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

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• the national grid, and is one of the most significant areas of e -煮鸡蛋- ♂ 给 煮鸡蛋 发送悄悄话 煮鸡蛋 的博客首页 (0 bytes) () 07/15/2019 postreply 20:24:47

• energy wastes. Power grids in summer can break down due to HVAC. -煮鸡蛋- ♂ 给 煮鸡蛋 发送悄悄话 煮鸡蛋 的博客首页 (0 bytes) () 07/15/2019 postreply 20:26:09

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