名词短语
中文翻译：预试航
同义词：
['Pre-trial sea trial', 'Trial sea trial', 'Pre-trial sea test']
例句：
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1. The precommissioning sea trial was a crucial step in the development of the new ship.
预试航是新船开发过程中的一个关键步骤。
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2.The precommissioning sea trial revealed several issues that needed to be addressed before the ship could be launched.
预试航揭示了几个需要在船只下水前解决的缺陷。
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3.The precommissioning sea trial demonstrated the effectiveness of the new navigation system.
预试航展示了新导航系统的有效性。