There are four excavation crews working on recovering bones at the dig site right now.

目前，有四名队员在挖掘现场进行骨头的回收工作。

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According to the working characters of retaining piles for deep excavation, the arching effect in adjoining soil is analyzed.

根据深基坑桩排式支护中护壁桩的受力变形特点，分析了被支护土体中的成拱作用。

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Roadheader is an import excavation equipment, but its stability is connected with its working efficiency.

掘进机在挖掘设备中具有重要作用，而掘进机作业稳定性与生产效益密切相关。

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Looking to 2013, Mr Carver said they would be working on the largest single excavation at the site of Crossrail's ticket hall in Liverpool Street.

BBC: Crossrail dig unearths forgotten London

On 5 June, before his departure from Montenegro, the Director-General visited Petrovac, the excavation site of Byzantine mosaics, and participated in a working lunch with the Director of the archaeological excavations and the Deputy Mayor of Budva.

UNESCO: CULTURE