字典網>> 英漢字典>> S開頭詞條>>single-throw circuit breaker的意思 漢英字典single-throw circuit breaker中文翻譯：【電】 單投斷路器英文字典 相關詞條：single engined aeroplane single screw thread single stage interconnection network single sweep tee single cost system single extended shaft single-sideband transmission single-entry records single cylinder compressor single orifice plate