back-filling

基本解釋

With regard to how ameliorate the strength of back-filling materials of tailing-cementation, some suggestions are summarized in this paper.
針對尾砂水泥膠結充填體強度如何提高的問題，總結了湖北雞籠山金礦幾點經驗與建議。
This paper specified the material filling, range filling, sequence construct technique, and quality control on back - filling at abutment , and the importance of it.
針對公路工程中的橋涵結構物臺背回填從材料選擇、回填范圍、回填順序及回填工藝、質量控制等方面進行論述，并說明臺背回填重要性。
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.
通過工程實例，闡述了砂礫混合集料在基坑大開挖回填中的應用。

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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