控制阀在污水缸变满时启动泵，并把污水抽进压力总管道。

The controller turns on the pump when the sewage tank is full and pumps the sewage into a force main.

youdao

控制阀在污水缸变满时启动泵，并把污水抽进压力总管道。

The controller turns on the pump when the sewage tank is full and pumps the sewage into a force main.

youdao