Proper construction procedures and technical measures are decided by computing the two excavation methods, thus provide theoretical guarantee for safe construction.
对两种开挖方法进行了计算，从而确定合理的施工程序和技术措施，为安全施工提供了理论保证。
Proper construction procedures and technical measures are decided by computing the two excavation methods, thus provide theoretical guarantee for safe construction.
对两种开挖方法进行了计算，从而确定合理的施工程序和技术措施，为安全施工提供了理论保证。
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