There are, at present, three difficulties in western countrysides, such as short of funds, great difficulty in construction and long time limit for a project.
阐述了目前西部农村建桥的三大困难：建桥资金缺、施工难度大、建设工期长；
The development of the oil field on the North Slope of Alaska and the construction of the Alaska pipeline are examples of the great expense and difficulty involved in new oil discoveries.
阿拉斯加北坡油田的开发，以及阿拉斯加地区输油管道的建设，就是在新石油资源的勘探中涉及到巨额开支和巨大困难的例子。
Narrow in its place, it is unprecedented that the degree of difficulty of construction technology is great. The deep foundation pit is a highly difficult geotechnical engineering subject.
其场地之狭窄，施工技术难度之大是前所未有的，深基坑工程是一个高难度的岩土工程技术课题。
The dewater construction in the river and bank is great difficulty The pipe well construction and application are introduced in paper.
在江、河堤岸处进行降水施工，具有较大的难度，本文通过工程实例介绍了管井井点的施工及应用。
Single row angular contact ball bearing with two piece inner ring has complex construction, long design cycle, great difficulty in processing.
双半内圈四点接触球轴承结构复杂、设计周期长、加工难度大。
A great number of common quality defects take place in steel sheet driving construction due to its complicated workmanship and big technical difficulty.
由于钢板桩施工工艺复杂，插打施工技术难度较大，存在着大量质量通病。
However, the exorbitant cost of laying special lines and maintenance, great workload and difficulty in construction prevent it from popularization.
专线通信技术特点是通信稳定性好，但需铺设专用通信线路，存在施工量大、综合成本高、维护费用高、旧城区施工难度大等问题。
However, the exorbitant cost of laying special lines and maintenance, great workload and difficulty in construction prevent it from popularization.
专线通信技术特点是通信稳定性好，但需铺设专用通信线路，存在施工量大、综合成本高、维护费用高、旧城区施工难度大等问题。
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