缓冲罐中的液位由液位控制器控制，使补液泵及时启动、停泵，使罐内保持一定的安全液位；
The liquid level in the buffer tank is controlled by the liquid level controller, making the fluid infusion pump started and stopped timely, and a certain liquid level can be kept in the buffer tank.
缓冲罐中的液位由液位控制器控制，使补液泵及时启动、停泵，使罐内保持一定的安全液位；
The liquid level in the buffer tank is controlled by the liquid level controller, making the fluid infusion pump started and stopped timely, and a certain liquid level can be kept in the buffer tank.
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