名词短语
中文翻译：引擎设置保护继电器同义词
同义词：
['发动机保护继电器，引擎保护继电器']
例句：
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1. The engine set protects the engine from overheating.
引擎设置保护发动机免受过热。
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2. The protective relay is essential for maintaining the stability of the electrical system.
保护继电器对于维护电气系统的稳定性至关重要。
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3. The engineers carefully checked the engine set and protective relay to ensure they were functioning properly.
工程师们仔细检查了引擎设置和保护继电器，以确保它们正常工作。