短語(yǔ)詞組短語(yǔ)low -production and -permeability oilfield 低産低滲透油田Liangjing low -permeability sandstone oilfield 兩井低滲透砂巖油田extra -low permeability oilfield 特低滲透油田Ultra -low permeability Xinzhan oilfield 特低滲透新站油田low permeability fault -block oilfield 低滲透斷塊油田 返回 low-permeability oilfield