chief operator短语¹⁴⁴⁹⁷²⁺² 基本例句 n.话务班长;值班长 Call in to the main control room of Egyptian State Railways and you may find the chief operator similarly disengaged, as one panicked signalman did last year when a train stalled on the tracks. 造访埃及国家铁路的主控室，你会发现主控员也如此不务正业。这和去年那个面对半路“抛锚”的火车而惊慌失措的信号工有的一比。 putclub