Not backfilling silt , corruption and graft , permafrost soil organic matter .

不得回填淤泥、腐植土、冻土及有机物质。

Contour of vertical stress after completion of backfilling .

基坑填筑完成后土体铅直应力等值线图。

It means not backfilling , not taking advantage of the responsible self - restraint of other countries .

那意味着不趁机捞好处，不利用其它国家负责任的自我克制。

When backfilling site , cofferdam shall be constructed firstly , side facing sea of site shall be widened50-100m on each side to be backfilled .

场区回填时，应先施工围堰，场区迎海面应每边加宽50-100米回填。

The contractor shall submit to the engineer for approval his proposed methods of excavation and backfilling .

承包商应向监理工程师提交建议开挖和回填方法，以供批准。