guest Moderator 管理成员 注册 2002-10-07 消息 402,613 荣誉分数 77 声望点数 228 2011-12-07 #1 Ontario's environmental watchdog says the province has no idea if its hydro 'smart meters' are having any effect on electricity conservation. 查看新闻全文...
Ontario's environmental watchdog says the province has no idea if its hydro 'smart meters' are having any effect on electricity conservation. 查看新闻全文...
