back-filling

基本解释

With regard to how ameliorate the strength of back-filling materials of tailing-cementation, some suggestions are summarized in this paper.
针对尾砂水泥胶结充填体强度如何提高的问题，总结了湖北鸡笼山金矿几点经验与建议。
This paper specified the material filling, range filling, sequence construct technique, and quality control on back - filling at abutment , and the importance of it.
针对公路工程中的桥涵结构物台背回填从材料选择、回填范围、回填顺序及回填工艺、质量控制等方面进行论述，并说明台背回填重要性。
Through the engineering examples, this paper expounds the application of the sand-gravel blended aggregate in the back-filling of the big-excavation of the foundation ditch.
通过工程实例，阐述了砂砾混合集料在基坑大开挖回填中的应用。

We might need to get some of that back-filling type action in order to get investors excited about buying again.
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The idea is to lure back business travellers by having more frequent, point-to-point flights, rather than filling huge jumbos with lots of back-packers.
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The man, dealing with higher co-payments on a fixed income, had cut back to filling only half his medication prescriptions for his high cholesterol and diabetes.
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