我国交通系统的完善促进了预应力混凝土桥墩在桥梁建设中的应用。
The development of transport system facilitates the adoption of prestressed reinforcement concrete bridge piers.
这看起来有点过分，重复着过去一遇到困难时期就删减非经常支出的错误做法；比如，这种做法的结果，导致国家交通系统不够完善。
This seems excessive, repeating the mistake often made in the past of slashing capital spending when times are hard; this has left the country with a poor transport system, for example.
这种汽车非常廉价、舒适、便捷，给公共交通系统尚不完善的国家提供了关键性的公共设施服务。
It is cheap, friendly, convenient and performs a vital service in countries with meagre public transport systems.
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