Low noise: water pump supported by two low-noise bearings contributes to stable operation without noise basically except slight sound of motor.
噪音低：两个低噪音轴承支撑下的水泵，运转平稳，除电机微弱声响，基本无噪音。
Low noise: water pump supported by two low-noise bearings contributes to stable operation without noise basically except slight sound of motor.
噪音低：两个低噪音轴承支撑下的水泵，运转平稳，除电机微弱声响，基本无噪音。
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