到处在施工，每一条道路都是，到哪儿都很困难。
Everywhere is under construction, every road. It's hard to get anywhere.
实际施工中，要保证设计的堰面曲线形式，较为困难。
In the actual construction, must guarantee the design the weir surface curve form, is difficult.
海底隧道深埋于海水以下，因而在勘探、设计、施工和运行方面都比陆地隧道更困难。
Therefore, they are more difficult in geological investigation, design, construction and operation than land tunnels.
铁路增建第二线、公路拓宽等工程的改造施工，近距离增建隧道是困难的。
During remoulding the railway and the highway, there are many difficult with small distance construction.
这种施工方式的困难之一是施工中交通不能中断。
One difficulty is that normal street traffic must often be allowed to continue during construction.
这种施工方式的困难之一是施工中交通不能中断。
One difficulty is that normal street traffic must often be allowed to continue during construction.
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