n.平行弧 arc of parallel: 緯圈弧parallel arc furnace: 并聯(lián)電弧爐parallel arc measurement: 緯線弧線測量parallel arc weld: 并列弧焊parallel-arc furnace: 并聯(lián)電弧爐下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯