求翻译：根据设计任务书的要求和《公路桥涵设计通用规范》的规定,整桥采用先简支后连续施工工艺，全桥采用7*40m变截面预应力连续T型梁。全桥总跨径280m。是什么意思？

Provisions in accordance with the requirements of book design and highway bridges and culverts universal norms ", the entire bridge of the process of continuous construction of Simply Supported, full-bridge 7 * 40m Prestressed continuous t beam. Full-bridge span 280m.

In accordance with the mission statement of the design requirements and the highway bridge design covered by the provisions of common norms, and the whole bridge to support the continuous construction work in process, the axle is equipped with a 7 * 40 M for T is cross-sectional prestressed girder.

According to design project description request and "Road Arch of bridge Design General Standard" the stipulation, after the entire bridge uses the simple support continuously to construct first the craft, the entire bridge uses 7*40m variable cross-section pre-stressed continuously T Liang.Entire b

According to design specification requirements and the provisions of the General specification for design of highway bridges and culverts, bridge construction technology of simple-support before continuous, use 7*40m variable cross-section prestressed continuous t-girder of the bridge. Total long-sp

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