根据集装箱结点站的性质和功能，确定了合理的铁路集装箱结点站作业流程。
The railway container terminal reasonable operation procedures are determined according to the terminal character and function.
从油品性质、油品温度、工艺流程和鹤管壁温等因素，剖析了铁路油罐车轻油鹤管发生气阻的原因。
The paper analyzes the reasons of vapor lock of light oil swing arm for rall tanker from oil property, oil temperature, technological flows and the wall temperature of swing arm.
再从铁路运输业的经济特征中，理论论证了在铁路运输业只有其中的路网部分具有自然垄断性质，而其中的路运部分则不具有自然垄断性质。
Then, from the economic trait of this industry prove that the natural monopolistic quality is just exist in a part of the road net, not in the road transportation.
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