控制地层位移以及保证繁忙线路的安全，是设计和施工中必须解决的主要问题。
The main issue considered both in the design and construction is controlling of the stratum displacement and keeping safety of the busy expressway.
控制地层位移以及保证繁忙线路的安全，是设计和施工中必须解决的主要问题。
The main issue considered both in the design and construction is controlling of the stratum displacement and keeping safety of the busy expressway.
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