inverted nine-spot water flooding pattern 反九点法注水
four-spot water flooding pattern 四点法注水
nine-spot water flooding pattern 九点法注水
seven-spot water flooding pattern 七点法注水
ninespot water flooding pattern 九点法注水
sevenspot water flooding pattern 七点法注水
five-spot water flooding pattern 五点法注水
pattern water flooding [油气] 面积注水
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