中英释义：
双语例句
对快运货物列车编组方案进行优化，有利于扩大快运货物列车开行规模和效益。
That is beneficial to the expanding the size of express freight train operation and the benefits.
重点词汇
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快运
express transport; fast shipping; rapid delivery; expedite shipment
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货物
goods; cargo; freight; wares; shipment; merchandises; commodities