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Unit train
01
单元列车, 货物列车
a train that carries just one type of cargo from one place to another without stopping
unit train
n
例子
The unit train delivered a large shipment of coal to the power plant.
The company uses a unit train to move oil directly from the refinery to the port.
Every day, the unit train transports grain from the farms to the city.
The long unit train loaded with cars traveled nonstop from the factory to the distribution center.
Because it carries only one type of goods, a unit train is more efficient than mixed cargo trains.
