... grease fitting；黄油嘴 grease fitting damage；黄油嘴损坏 grease fitting line；加注黄油管线 ...
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grease fitting damage
润滑脂配件损坏
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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