船舶推进轴系是船舶动力装置的重要组成部分，校中计算是保证船舶推进轴系的安全、可靠工作不可缺少的环节。
Marine shafting is one of the main parts of ship power installation and alignment calculation is necessary for the safety and reliability of ship.
船舶推进轴系是船舶动力装置中必不可少的重要部件，其运转的可靠性和稳定性直接影响到船舶的运行。
The propulsion shafting is one of the most essential parts of ship's powder system. The reliability and stabilization of the running propulsion shafting effects the vessel's operation directly.
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