名词
中文翻译：油填充的衬套
同义词：
['oil-filled plug', 'oil-filled bushing', 'oil-filled bushing']
例句：
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1. The oil-filled bushing is used to protect the electrical connections in the circuit.
油填充的衬套用于保护电路中的电气连接。
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2.The oil-filled bushing was a critical component in the design of the new machine.
油填充的衬套是新机器设计中的关键部件。
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3. The oil-filled bushing was replaced after it failed during the testing phase.
在测试阶段，油填充的衬套失败了，因此被替换。