1·Cement and concrete shall be transported in hermetically sealed tank car.
水泥和混凝土运输应采用密封罐车。
2·For the particularity of rail tank car heating system, we can not completely copy the theory and structure design of thermal exchanger of chemical industry.
由于铁路罐车加热系统的特殊性，不能完全照搬化工换热器方面的理论和结构设计。
3·It also guarantees the accuracy of experimental data of railroad tank car valves, improves the overhaul quality, and thus ensures the traffic safety and reduces worker's labor intensity.
保证了铁路罐车阀类试验数据的准确性，提高了检修质量，从而保障了行车安全，减轻了工人的劳动强度。
4·Described are the main features, technical parameters, main structure and test results of the diesel oil tank car exported to Australia.
介绍了出口澳大利亚柴油罐车的主要特点、技术参数、主要结构及试验结果。
5·In present, since there is no automatic monitoring system on rail tank car, it is hard to discover the leak even it happens.
目前，由于铁道罐车尚不具备自动监测系统，若出现泄漏事故，很难及时发现。