这是一个沼泽国 -这些工厂启动水泵排干地面积水。
This is fen country – the mills drive pumps that drain the land.
4秒二次回路中的备用水泵自动启动。
4 SEC Backup pumps within the secondary loop automatically turn on.
要启动这台水泵，你得开启电机的电源。
To start your pump, you have to turn on the power of the motor.
要启动这台水泵，你得开启电机的电源。
To start your pump, you have to turn on the power of the motor.
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