For special designs for the delivery of liquid with a high setting point, the motor as well as the pump are enclosed by a heating jacket through which heating liquid flows.
对于具有高设定点的液体抽运特殊设计，电机以及泵附有加热夹套，通过该夹套加热液体流。
For special designs for the delivery of liquid with a high setting point, the motor as well as the pump are enclosed by a heating jacket through which heating liquid flows.
对于具有高设定点的液体抽运特殊设计，电机以及泵附有加热夹套，通过该夹套加热液体流。
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