Railway conductors co-ordinate and supervise the activities of passenger and freight train crew members.

铁路指挥官协调和监督客运和货运列车机组人员的活动。

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Railway conductors co-ordinate and supervise the activities of passenger and freight train crew members.

铁路指挥官协调和监督客运和货运列车机组人员的活动。

youdao