名词
中文翻译：铁路运营
同义词：
['railway service', 'railway management']
例句：
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1. The railway company is responsible for the safety of all passengers on its trains.
这家铁路公司负责其火车上所有乘客的安全。
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2. The railway operation has been improved significantly since the new system was implemented.
自从新系统实施以来，铁路运营已经显著改善。
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3. The railway operation is crucial for the smooth flow of goods and people across the country.
铁路运营对于全国货物和人员的顺畅流动至关重要。