deep foundation ditch supporting
deep foundation ditch supporting
深基坑支护
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The ring beam supporting and protecting structure of deep foundation ditch has such merits as safety, saving and being able to provide enough construction space.
深基坑环梁护壁支撑结构具有安全、经济和能提供宽阔的施工空间等特点。
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