return sand 中文意思是什麼

return sand 解釋
回用砂
  • return : vi 1 回轉,回來,回去,返回,折回 ( to)。2 再來,又來;復發,回復,恢復。3 回頭說正經話,回到本...
  • 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...
  1. Sand grouse : afathernamaqua sand grouse of africa ' s kalahari desert flies as far as 50 miles a day in order to soak himself in water and return to his nest , where his chicks can drink from his feathers

    公沙雞:在非洲卡拉哈里沙漠,納馬誇公沙雞每天都會飛50英里,到湖邊把羽毛在水裡浸濕后再飛回家,以此滿足小沙雞對水的渴求。
  2. Aiming at characteristics of serious conflict among layers, thin layers developed and scattered distribution of remaining oil, this paper introduces techniques of non - gel fracturing, multi - fractures fracturing, large discharge capacity and large sand amount fracturing, thin layer fracturing and high effective return discharge

    摘要針對大慶油田薩南開發區三類油層層間矛盾突出、油層發育薄及剩餘油分佈零散等特點,根據油藏精細地質研究成果,通過個性化壓裂設計,在試驗區三類油層聚驅挖潛過程中,應用了非凝膠壓裂、多裂縫壓裂、大排量及大砂量壓裂、薄隔層壓裂以及高效返排壓裂等配套的工藝技術。
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