Please check the conical part of the tailshaft.
请检查一下尾轴锥形部分。
Is the threaded portion of the spare tailshaft well coated with paint?
备用尾轴的螺纹部分涂漆了吗？
To prolong the longevity of the tailshaft sealing, here we introduce a newly refitted tailshaft sealing by analysing its structure.
通过分析某船艉轴密封的构造，为提高其使用寿命，改装设计了一种新型艉轴密封装置。
To prolong the longevity of the tailshaft sealing, here we introduce a newly refitted tailshaft sealing by analysing its structure.
通过分析某船艉轴密封的构造，为提高其使用寿命，改装设计了一种新型艉轴密封装置。
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