Measuring diameter of fore and aft stern tube bearing and bushes.

艉轴管前、后轴承与衬套直径测量.

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Spraying of plastic on stern tube bearing.

尾轴管轴承塑料喷漆.

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Operating characteristic of water lubricated stern tube bearing system is the base of application.

水润滑艉轴承的工作特性是用户选用的依据.

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