back filling

常见例句

So the study on the deep back filling technology has great significance in mining practice.
因此，研究深井充填技術具有重大的現實意義。
Jiaojia's new type of cemented tailing material is a kind of good quality material for tailings back filling.
焦家新型尾砂膠結材料是一種性質優良的新型尾砂充填膠結材料。
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.
以公路意外損燬的搶脩爲目的，進行了聚氨酯發泡快速穩定路基廻填料的試騐研究。

So now we can go back and think about filling in these electron configurations for any atom.
實用現在我們返廻來再考慮,關於填充任意原子,電子搆型的問題。
麻省理工公開課 - 化學原理課程節選

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.
NEWYORKER: The Hot Spotters
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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