guest Moderator 管理成员 注册 2002-10-07 消息 402,190 荣誉分数 76 声望点数 0 2019-10-15 #1 The City of Ottawa is considering a $57-million upgrade to the Robert O. Pickard Environmental Centre that would allow the sewage treatment plant to generate all its own power, making it less vulnerable to grid failures caused by natural disaster. 查看原文...
The City of Ottawa is considering a $57-million upgrade to the Robert O. Pickard Environmental Centre that would allow the sewage treatment plant to generate all its own power, making it less vulnerable to grid failures caused by natural disaster. 查看原文...
