对于疏松粉细砂地基土的加固处理，目前尚无成熟的经验和现成的规范。
For the consolidation treatment on loose powdered fine sand base there are no mature experience and the existing specifications now.
目前在此地质条件下尚无成熟的地下开挖施工技术，而且可借鉴的施工经验也很少。
At present in the geological conditions of the not mature of underground excavation construction technology, but also for the construction experience are few.
目前国内外储层改造界均在积极探索碳酸盐岩储层加砂压裂改造技术，但尚无成熟的经验可供借鉴。
The tech of adding sand fracture treatment in carbonate reservoir is on the process of exploring in domestic and abroad which has not rich experience for reference.
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