绥化分局肇源农场有嫩江国堤８．９３ｋｍ。在１９９８年夏季嫩江流域发生超百年一遇大洪水期间，８．９３ｋｍ国堤不断发生渗漏、背水坡脱坡等险情１０余处，现将几种险情处理方法简介如下。１防风浪抢护方法８．９３ｋｍ国堤有４．０ｋｍ是水泥板护坡，还有４．９３ｋｍ... Suihua Branch Zhaoyuan Farm Nenjiang Embankment 8.93km. During the summer floods in 1998, the Nenjiang River basin experienced a flood event in its mid-100th year. 8.93km of levees continued to leak at the embankment and there were more than 10 dangerous places such as water slides off slope. The following are several ways to handle the dangerous situations. 1 wind and waves protection method 8.93km Embankment 4.0km is a cement board slope protection, there are 4.93km ...