The company's main highway asphalt products for professional research and development, production and sales.
公司的主要公路的专业研究，开发，生产和销售沥青产品。
Therefore, the analysis and research about the effect of water on highway is very meaningful.
因此，对公路水影响进行分析与研究很有意义。
However, the research of loess hidden cavity is almost zero from highway engineering.
然而，有关黄土暗穴研究甚少，从公路工程角度，对其进行研究几乎空白。
Therefore , it has practical significance to carry out the technology research on highway tunnel lighting.
因此开展对公路隧道照明技术研究具有重要的现实意义。
This research result is supposed to improve the management level of highway...
该研究成果对于提高公路安全管理水平具有积极的指导意义。
In response to these problems, this paper proposes research, "every village" highway maintenance measures.
针对这些问题，本文通过调研提出了“村村通”公路的维护措施。
The research on the scale of highway network is an important part of highway network plan.
路网规模研究是公路网规划的重要内容。
The research on the scale of highway network is an important part of highway network plan.
路网规模研究是公路网规划的重要内容。
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