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.
补液泵的结构振动会影响补液的平滑性，本文对一台日本KM—30型补液泵进行了结构的随机振动谱分析。
The structure vibration of make-up pump has influence on the flow smoothness of fluid. The spectral analysis of random vibration for a Japanese make-up pump model KM-30 has been carried out.
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