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1·The first DF 4d diesel shunting locomotive had passed acceptance test and put to use in local railway of Luoyang in June 1999.

1999年6月，首台东风4d型调车机车通过验收并于洛阳地方铁路正式运营。

2·The key point of dispatching command during the process of drawing operative scheme for railway stations is the shunting locomotive operation plan.

铁路车站作业计划编制过程中，调机运用计划是调度指挥的关键。

3·The key point of dispatching command during the process of drawing operative scheme for railway stations is the shunting locomotive operation plan.

研究铁路车站作业计划编制过程中 ，如何编制调机运用计划的关键问题 。

4·This paper analyses the general disposal and technical parameter of the new hydraulic exchanging direction shunting diesel locomotive which fits metallurgy enterprise railroad transportation.

介绍了新开发的适合冶金企业调车作业的液力换向内燃机车的总体布置、主要技术参数。