sand aquifer 中文意思是什麼

sand aquifer 解釋
含水砂層
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • aquifer : n. （其含水量足可成為泉或井的）蓄水層。
  1. Based on the geological and mining conditions and occurrence characteristics of loose aquifer of xinglongzhuang colliery, water bursting cause of 4303 full - mechanized caving mining face under loose aquifer was analyzed, the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper

    摘要根據興隆莊煤礦地質采礦條件，結合鬆散含水層賦存特徵，分析了四采區4303綜放工作面第四系鬆散含水層出水的原因，探討了防治三含水的技術途徑和留設防砂煤柱的合理尺寸。
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