高壓線跳火錯亂真空提前失效defective: adj. 1.有缺陷[缺點]的,有瑕疵的,不完全的 (i ...vacuum: n. (pl. vacuums, vac-ua ) 1. ...advance: vt. 1.進,推進;促進(生長),助長;撥進(時針), ...vacuum advance: 真空點火提前pva ported vacuum advance: (節(jié)氣門)真空孔真空提前; 真空孔真空提前下載手機詞典可隨時隨地查詞查翻譯