Precautious use can protect the engine in time from mechanical damage due to reduction of wear and tear and improvement in lubrication.

预防性使用能及时保护发动机，这是由于磨损降低和润滑性改善，以减少机械损伤。

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So we need to develop a new type of Fluid Lubrication Mechanical Seal.

所以氧化铝生产需要采用新型机械密封。

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