bottom drift 中文意思是什麼

bottom drift 解釋
海底漂移
  • bottom : n 1 底，底部。2 地基，基礎；根底；底細，真相，原因，根源。3 （樹的）根干；（山）麓麓；〈方，常 pl...
  • drift : n 1 漂亮；（潮流的）推進力。2 漂流物；吹積物；堆積物；【地質學；地理學】冰磧，漂礫。3 傾向，趨勢...
  1. Application of caving mining technology with bottom under condition of flat dipping mid - thick body and unstable rock caused the most of trench and bottom drift, located in abutment, to be destroyed and low recovery in south area, xishimen iron mine

    摘要在緩傾斜中厚礦體底板巖性不穩固的條件下，採用有底柱崩落法，由於電耙道大多處于空區邊部應力集中的部位，致使塹溝及底部結構巷道破壞嚴重而使回收率極低，採用無底柱崩落卸壓則可有效解決上述難題。
  2. I started across to the town from a little below the ferry - landing, and the drift of the current fetched me in at the bottom of the town

    天黑以後，我便坐劃子前往伊利諾斯州的河岸那邊。我在渡口下面不遠處朝鎮子劃去。水流把我帶到了鎮梢頭。
  3. Analysis of influence factors on the convergence of stoping drift in sublevel caving method without bottom structure

    無底柱分段崩落法回採巷道收斂的影響因素分析
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