forced electric drainage

例句：

1. 1. The city's sewage system is forced to operate at full capacity due to the heavy rainfall.
   由于大雨，城市的污水处理系统不得不满负荷运行。
2. 2. The engineer had to forcefully remove the tree from the riverbank.
   工程师不得不强行将树从河岸拔起。
3. 3. In order to prevent flooding, the government has implemented a forced electric drainage system in the flood-prone areas.
   为了预防洪水，政府已经在易涝地区实施了强制性的电力排水系统。