K歌 发表于 2014-6-5 11:28 % F+ Y, {% M' L j! W. I' M把泥巴挖了填上沙和石块就不会有了,这要很多钱。
1 Z% A. G T' f4 U% @1 z5 L
那为什么langdale in windermere的旧湖里,land developer愿意花钱铺石头喔?langdale in windermere的新湖里还没有做好,但是已经有好几块非常大的石头在湖中央了。鹅和鸭子就在湖中央的石头上单脚站着。
7.2.3 Maintenance Responsibilities5 W) W0 e' T& z5 Z
The municipality is the authority ultimately responsible for the operation and maintenance 7 |5 M6 {7 Q' P' hof urban stormwater management facilities.