第三線支援 the third line: 第三條線support line: 力綱; 支持線third-line stocks third-line holdings: 三線庫存third mean line: 光軸法線; 光軸面法線third rail line: 三軌路下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯