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nínshìfǒuzàixúnqiú： 切断 切断开关 切断 切断开关 gèngduōjiéguǒ...

mùlù ·yīngwénjièshì ·bāo hán cí ·gèngduōjiéguǒ... yīngwénjièshì :  disconnecting switch,  cut off out switch,  cut-out switch bāo hán cí yìng jíqiè duàn kāi guān zhù huí lù qiē duàn kāi guān