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 concentrated expression of parking difficult problem in cities is construction and management of public parking lot.
城市停车难问题集中表现在城市公共停车场建设和管理问题上。
The geological prediction of tunnel is an important problem for construction quality and safety, and also a difficult object for engineering geophysics.
隧道地质超前预报关系到隧道工程施工质量和安全，是国内外研究的前缘课题，也是工程地球物理研究中的疑难问题之一。
In construction project, hollow bed in the operation of cementitious ground is a difficult problem which is not so easy to be surmounted and always affects the operation quality.
在建筑工程中，水泥地面施工发生的空鼓开裂问题是影响施工质量的难症。
For complex engineering construction system, resource scheduling of limited project duration-resource leveling is an important and difficult problem.
对于复杂工程施工系统，工期一定、资源均衡的资源进度计划是需要解决的一个重要且有相当难度的问题。
The entering-rock problem of pouring pile through large-diameter hole drilling is always the biggest difficult problem in the fundamental construction of Guangxi.
大口径钻孔灌注桩的入岩问题，历来是广西基础施工中的一大难题。
The design of the joints between cable and arch rib is a difficult, but key technological problem in the construction of tied arch bridge.
吊索与钢管拱连接节点的设计是系杆拱桥建设中的关键技术难题。
On the basic of large engineering practice, according to the complex karst geology problem of karst tunnel construction, the author grasped the major and difficult problem to research.
在大量的工程实践基础上，作者根据岩溶隧道施工所存在的问题-复杂的岩溶地质问题，抓住问题的重点和难点进行方法研究。
The later construction settlement of high way and railway is the difficult problem studied in theory and engineering circles.
高等级道路和铁路的工后沉降一直是理论界和工程界关心与研究的难点问题。
The inspection well is the urban road infrastructure, inspection of the common quality failing of well covers is also the difficult problem in the urban construction.
检查井是城市道路基础设施，检查井井盖的质量通病也是城市建设中难以解决的难题。
In geotechnical engineering, construction in miscellaneous soil-filling areas has been a key and difficult problem.
在岩土工程中，杂填土区的施工历来是施工项目中的重点和难点部分。
Under complex environmental conditions , it's a difficult problem to protect the surrounding environments in the construction of super - deep and super - large foundation pits .
复杂环境条件下，超深超大基坑施工对周围环境的保护是一个难题。
The anti-crack and anti-leak of concrete pool is a difficult problem in the construction works.
结合某工程实例，介绍混凝土水池一次性浇筑施工工艺及注意事项。
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。
The development of a new type of axial flow fans used in railway tunnelling is the key research project for solving the difficult problem of ventilation in the construction of long tunnels.
研制新型的铁路隧道施工用通风机，是解决长隧道施工通风技术的关键。本文是这项科研课题的阶段性成果。
In the highway construction on a soft foundation, the vehicles jumped at bridge approaches are a difficult technical problem.
在软土地基上修建高等级公路中，桥头跳车问题是一个技术难题。
Waterproofing materials in the construction of the protection and leakage after maintenance is also a difficult problem, after any part of the penetrability of the damage.
防水卷材在施工后的保护和漏水后的维修亦是难题，任何部位的贯穿性破损。
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。
Stability control of expansive soil slope is one difficult problem of engineering construction.
膨胀土边坡稳定性控制是工程建设的一大难题。
Subgrade construction technology in permafrost regions is a worldwide difficult problem. Nowadays, this problem is still a focus in many countries and regions.
多年冻土地区修筑道路一直是世界性难题，至今仍然是许多国家和地区研究的热点。
Cutting tool wearing has become a difficult problem which restricts the tunnel advance in Chengdu Metro tunnel construction.
成都地铁隧道盾构法掘进中，刀具严重磨损成了制约工程顺利进行的一大难题。
Cutting tool wearing has become a difficult problem which restricts the tunnel advance in Chengdu Metro tunnel construction.
成都地铁隧道盾构法掘进中，刀具严重磨损成了制约工程顺利进行的一大难题。
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