In the process of water resistant test for locomotive, normally the load current is hard to adjust because of the unceasing change of water temperature.

在机车水电阻试验过程中，存在水温不断变化而造成负载电流调节困难的问题。

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With the change of working condition, actual working hours of locomotive are rectified into general working hours intelligently.

根据推理出的当前机车所在工况，智能地把当前工况下的工作时间折算成正常工况下的工作时间。

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The middle classes, often the locomotive of political change, are growing fast.

ECONOMIST: Banyan