名词
中文翻译：主蒸汽管线
同义词：
['mainline', 'main steam pipe']
例句：
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1.The main steam line is crucial for the operation of the power plant.
主蒸汽管线对于电厂的运行至关重要。
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2. Main steam lines are essential for maintaining the proper pressure in the system.
主蒸汽管线对于维持系统内适当的压力至关重要。
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3. The engineer carefully inspected the main steam line before starting the new project.
工程师在启动新项目之前仔细检查了主蒸汽管线。