求翻译：根据本工程特点及工程分布情况，共划分为三个区段平行施工：泾河大桥主体过程为第一区段；路基、路面、匝道、引道等为第二区段；拌和站和梁场为第三全段。是什么意思？

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Based on the engineering characteristics, distribution and Works divided into three sections: Jinghe parallel construction process the main bridge roadbed for the first district; paragraph, road surfaces, such as road tests, from paragraph to paragraph 2 zone; mixing station and Mr LEUNG as the whol

According to this project characteristic and the project distribution situation, altogether division is three sector parallel constructions: The Jinghe River bridge main body process is the first sector; The roadbed, the road surface, the circular route, leave and so on for the second sector; Mixes

According to the distribution of the engineering characteristics and engineering were divided into three sections parallel construction: the main process for the first section of the jinghe River Bridge; roadbed and pavement, ramp, approach to section II; mixing and beam for the third paragraph.