求翻译：研究施工企业参与代建项目从而转变其经营单一，效益低下状况，实现业务范围从施工阶段的前伸后展的战略转变的相关问题，意义重大是什么意思？

On behalf of construction companies involved in construction projects to transform their business a single, low efficiency conditions, to achieve business after the protrusion from the construction phase of development issues related to strategic change, significant

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Thus the research construction enterprise participates in the generation constructing the project to transform its management to be unitary, the benefit low condition, the realization business scope extends the strategic transformation related question after construction stage front which unfolds, w

Study on the construction companies involved in construction projects so as to transform its business with a single, low profits, construction stage of business ranging from strategic change-related issues by means of exhibitions after significant