快速断路器quick: adj. 1.快,迅速的,急速的 (opp. slow) ...break: vt. (broke, 〔古语〕 brake; brok ...circuit breaker: 【电学】断路开关。 quick operating circuit breaker: 速动断路器air break circuit breaker: 空气断弧断路器下载手机词典可随时随地查词查翻译