A cover bearing and integral seat bearing guide the stem assembly for precise alignment with the seat.

阀盖轴承和整体阀座轴承引导阀杆总成，实现与阀座的精确定位。

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Therefore, when selecting the installation position of the pump, the heat quantity of the pump cover and the bearing seat is easy to spread, and no heat accumulation phenomenon occurs.

因此选择泵的安装位置时，要使泵盖和轴承座的热量便于扩散，不出现任何蓄热现象。

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Therefore, when selecting the installation position of the pump, the heat quantity of the pump cover and the bearing seat is easy to spread, and no heat accumulation phenomenon occurs.

因此选择泵的安装位置时，要使泵盖和轴承座的热量便于扩散，不出现任何蓄热现象。

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