back filling

基本解释

So the study on the deep back filling technology has great significance in mining practice.
因此，研究深井充填技术具有重大的现实意义。
Jiaojia's new type of cemented tailing material is a kind of good quality material for tailings back filling.
焦家新型尾砂胶结材料是一种性质优良的新型尾砂充填胶结材料。
Aiming at the emergency repair to the accidental damage of road, the Experimental Study on the polyurethane foam used for rapidly stabilized back filling aggregate was processed.
以公路意外损毁的抢修为目的，进行了聚氨酯发泡快速稳定路基回填料的试验研究。

So now we can go back and think about filling in these electron configurations for any atom.
实用现在我们返回来再考虑,关于填充任意原子,电子构型的问题。
麻省理工公开课 - 化学原理课程节选

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 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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Sipping lemon-ginger tea on the cushions of our house's rooftop pavilion, I watch the first light spangle the leaves of the poplars along the village's irrigation stream, see lambs herded into a small willow-walled corral, a woman in a black robe and orange head scarf testing her lower back after filling her buckets.
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