When the copolymer was used at 0.5% in the test of shale roll recovery, the relative recovery was over 96%.

共聚物用量为0.5%时，页岩滚动回收率试验中，相对回收率达96%以上。

youdao

When the copolymer was used at 0.5% in the test of shale roll recovery, the relative recovery was over 96%.

共聚物用量为0.5%时，页岩滚动回收率试验中，相对回收率达96%以上。

youdao