centrifugal pump with mechanical seal
centrifugal pump with mechanical seal
离心泵采用机械密封
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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With the use of mechanical seals or packing seal the centrifugal pump, compared to magnetic pump has the following advantages.
同使用机械密封或填料密封的离心泵相比较，磁力泵具有以下优点。
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