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third rail 電動機車的輸電軌;〔美俚〕酒。

third reich

After expounding the power supply and current collection modes of the rolling stock in shanghai umt pearl line in terms of technology and economy , the author argues that two current collection modes shall be adopted for shanghai umt pearl line , i . e . a third rail collector be on skybridge while the overhead contact line on the ground 摘要闡述了城市軌道交通車輛供電受流方式的特點,并從技術和經濟兩方面對上海明珠線車輛供電受流方式進行了探討,提出了明珠線車輛應采用雙受流方式,即高架橋上采用接觸軌受流器受電,地面采用架空接觸網受電弓受電。

Saitong focuses on developing , manufacturing and selling overhead contact line systems , traction substation equipments , third rail systems etc 公司主要設計、制造和銷售鐵路接觸網系統、牽引變電所設備和城軌交通鋼鋁復合接觸軌系統等。

Compared to straight electric locomotives diesels save the heavy investment required for overhead wires or third rails . 與架線電力機車相比,柴油機可以節省架線或敷設第三條軌道的巨額投資。