During excavation, the Contractor shall use methods, which are beneficial to the reduction of over-excavation and the stability of the surrounding rock.
在开挖的进程中应考虑按有利于减少超挖、有利于围岩的稳定的施工方法进行。
The cost of all materials and construction for the overreach beyond the allowed range made by the Contractor for whatever cause including backfill of over-excavation are the Contractor's liability.
无论承包人出于何种原因所造成的超过允许范围的超挖以及这部分超挖的回填，所有材料和施工费用均由承包人负责。
Careful excavation and documentation of layers in a mound can reveal a wealth of information about the everyday life of a people in a settlement over many periods of occupation.
仔细挖掘和记录一个土堆的各个层次，可以揭示出丰富的信息，关于一个民族在许多次占领期在定居地的日常生活的信息。
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