名词
中文翻译：轨道杆球塞
同义词：
['轨道杆球塞，轨道杆球座，轨道杆球塞子']
例句：
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1.The track-rod ball plug was designed to improve the performance of the train's suspension system.
轨道杆球塞被设计用来提高火车悬挂系统的性能。
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2. The engineer carefully inspected the track-rod ball plug before installing it on the train.
工程师在安装火车上的轨道杆球塞之前仔细检查了它。
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3. The ball plug is a crucial component in maintaining the safety and reliability of the railway system.
球塞是维护铁路系统安全和可靠性的关键部件。