密封件为用细毛毡制成的环形毡圈。
Seals made blankets for the use of small circular loop carpet.
原泵轴封采用浮动环形式的密封结构，密封稳定性较差。
Original shaft with floating ring seal forms a sealed structure, sealed and is less stable.
原泵轴封采用浮动环形式的密封结构，密封稳定性较差。
Original shaft with floating ring seal forms a sealed structure, sealed and is less stable.
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