... 可转位球头立铣刀 ball nose end mill with indexable inserts 压裂支撑剂 fracturing propping agent 语法语义 syntactic semantic ...
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Experimental study shows that the damage rate of fracturing fluid to fracture surface is between 31. 84% and 36. 28%; the damage rate to propping agent layer is between 29. 27% and 30. 04%.
针对太2气层的实验研究表明，压裂液对裂缝壁面的伤害率平均在31.84% - 36.28%之间，压裂液对支撑剂层的伤害率平均在29.27%—30.04%之间。
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