The Bridge is technically complicated and the construction is difficult.
该桥施工技术复杂，施工难度较大。
The construction of European identity is a slow and difficult process, and face many predicaments.
欧洲认同的建构是一个缓慢而又艰难的过程，面临着诸多困境。
It is difficult to handle underground water in the process of subway construction.
在地铁建设过程中，如何处理好地下水是一大难题。
Soft groundwork disposal is a difficult problem in the freeway construction.
软基处理是高速公路建设中的一个难点问题。
The construction of assessment standard is a difficult and key point of comprehensive learning.
综合性学习评价标准的建立是综合性学习的难点和关键。
The calculation of base sedimentation is a difficult issue in the construction of highway.
基础沉降计算是高等级公路建设中的一个难点问题。
In the actual construction, must guarantee the design the weir surface curve form, is difficult.
实际施工中，要保证设计的堰面曲线形式，较为困难。
How to strengthen the cost control of the construction enterprise is a difficult work.
如何对施工企业加强成本控制是一大难点。
Construction claim, which is characterized by experience, is important and difficult.
工程索赔在工程管理中既重要又困难，它是经验型的工作。
The crack of concrete slab is a difficult problem in the design and construction.
混凝土面板裂缝一直是面板设计与施工中的一个难题。
In the highway construction on soft foundation, "bump at bridge-head" is a difficult technical problem.
在软土地基修建高等级公路中，“桥头跳车问题”是一个技术难题。
In the highway construction on soft foundation, "bump at bridge-ends" is a difficult technical problem.
在软土地基修建高等级公路中，“桥头跳车问题”是一个技术难题。
In the highway construction on soft foundation, "bump at bridge-ends" is a difficult technical problem.
在软土地基修建高等级公路中，“桥头跳车问题”是一个技术难题。
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