短語詞組短語circuit breaker auxiliary contact 電路斷路器輔助觸點breaker fixed contact 斷電器固定觸點source breaker auxiliary contact 電源斷路器輔助觸點Breaker contact point 斷路器觸點;斷電白金movable breaker contact 活動觸點stationary breaker contact 固定斷電器接觸點hv circuit breaker contact 高壓斷路器觸頭duration of breaker contact 斷電器接觸時間high voltage circuit breaker contact 高壓斷路器觸頭 返回 breaker contact