文章针对公路大桥施工的特点，介绍了公路大桥施工对水环境的影响，提出了一些防治水污染的措施。
Considering the character of highway bridge construction, the article illustrates the impact of bridge construction on aquatic environment and proposes some control measures for water pollution.
从公路的设计和施工阶段两方面阐述了公路建设对环境的影响，并介绍了一些在环境保护方面的相应措施。
The paper elucidates impact of highway building on environment from stage of highway's design and construction, and introduces some appropriate measures for environment protection.
公路工程成本既受工程本身和社会环境等客观因素的影响，又受公路施工企业本身管理水平的影响。
The cost of highway engineering is not only affected by itself and social environment and other impersonality factors, but also affected by the management lever of highway construction enterprises.
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