Abstract: t: Organic pollutants are one of the key factors which obstruct RO concentrate to achieve discharge standard or resource utilization.

摘要：有机污染物是阻碍反渗透ro浓水达标排放或资源化利用的关键因素之一。

youdao

Put another way, if the president didn't obstruct justice, he also didn't commit perjury when he denied it.

CNN

If he didn't obstruct justice or witness tamper or commit perjury, no one believes -- no one believes he should be removed from office.

CNN

They say that it's illegal because the Supreme Court ruled only last month that Sharif has a right to return and that the government shouldn't obstruct him.

NPR: Ex-Premier's Return to Pakistan Ends Quickly