求翻译：2. 地面回填土须分层夯实，压实系数大于等于0.95；地面工程待室内管道及设备基础、排水沟施工完毕后再行施工。是什么意思？

Ground backfill shall compaction in layers, compacting factor greater than or equal to 0.95; ground works to be indoor plumbing and equipment base and gutter construction is completed after the line construction.

2.floor to be hierarchical and laying back fill real-time, real-time factor is greater than or equal to 0.95 ; ground works to be indoor plumbing and sewer construction equipment, construction is finished to.

2. The ground returns to the earth fill to have the lamination ramming, the compacting factor to be bigger than is equal to 0.95; After the ground project treats the room interior conduit and the equipment foundation, the drain construction finished constructs again.

2. the backfill layer ground tamping, compacting factor greater than or equal to 0.95; indoor piping and equipment, drainage of surface engineering construction is completed before construction.

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