求翻译：针对某型艉轴密封装置出现漏水量超标的现状，根据实船维修的经验，对故障失效机理进行分析，并提出改进建议。是什么意思？

For a certain type of stern shaft seal leaking volume exceeded the status quo, according to the actual ship repair experience, the failure mechanism of failure analysis, and recommendations for improvement.

Metals and shaft seal against a certain type of water seepage exceeded the standard in accordance with the status quo, and the experiences of both real-boat repair mechanisms ineffective failure analysis, and make recommendations for improvement.

Appears water leakage exceeding the allowed figure in view of some wei axis packing assembly the present situation, the experience which the root ship services according to the facts, carries on the analysis to the breakdown expiration mechanism, and puts forward the improvement proposal.

For a certain type of Stern shaft sealing device of excessive leakage current situation, based on the experience of ship maintenance, failure failure mechanism analysis and make recommendations for improvement.

For a certain type of Stern shaft sealing device appears excessive leakage current situation, based on the experience of ship maintenance, fault failure mechanism analysis and recommendations for improvement.