工程预可行性分析是桥梁和隧道建设前期工作的重点组成部分，往往成为项目立项的控制性因素。

Project pre-feasibility analysis, a crucial part of bridge and tunnel preparatory work construction, often becomes a controlling factor of a project.

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施工项目前期规划与预控制是在复杂环境下解决各种矛盾的重要方法。

The pre-planning and pre-control of the construction projects are important means to resolve every type of contradiction under mixed environments.

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蒸品涵盖蒸菜，蒸饭，蒸粥，蒸馒头，蒸汤……因前期预配预制，所以具有上桌迅速，出品快捷等特点。

Steamed products include steamed, steaming, steaming porridge, steamed bread, steaming soup with... for pre-pre-pre, has served so quickly, produced fast and so on.

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