可以在所述风轮机现场方便有效地实施密封件维护操作或局 部或完全更换操作，并且也可以在倾斜轴承制造过程中容易有效地实 施。
Operations of maintenance or partial or complete replacement of the seal (4) can be carried out in situ on the wind turbine and also on pitch bearing manufacturing easily and effectively.
可以在所述风轮机现场方便有效地实施密封件维护操作或局 部或完全更换操作，并且也可以在倾斜轴承制造过程中容易有效地实 施。
Operations of maintenance or partial or complete replacement of the seal (4) can be carried out in situ on the wind turbine and also on pitch bearing manufacturing easily and effectively.
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