Fitting bolt with marine grease and wet fitting bolt with primmer studied in the paper are more effective measures.

本文研究的船用润滑脂安装螺栓和底漆湿安装螺栓是更有效的措施。

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Fitting bolt with marine grease and wet fitting bolt with primmer studied in the paper are more effective measures to improve anti environment damage properties of the bolt joints.

采用适当的细节防护措施，可提高结构的抗环境损伤性能，疲劳性能一般有不同程度提高。

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The main reasons for the failure of thread pair during fitting process is analyzed in this paper. Thus the fitting quality of bolt and nut can been increased.

从理论上、实践上分析了螺纹副在装配过程中失效的主要因素，从而达到提高螺栓、螺母的装配质量。

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So the correct paint has been applied to those areas that have suffered corrosion, and a bolt with the right kind of metal has been attached to a fitting that earlier caused the "minor" flood.

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