和以前相比虽然郊区也受到了污染，但其损害程度比城市轻。
Although the suburb also gets polluted compared before, its damage degree is lighter than the city.
由于乙型肝炎病毒携带者肝组织已存在不同程度的损害，比非乙型肝炎病毒感染者更容易发生药物性肝炎。
As the liver tissue in the hepatitis B virus carrier has different degree injury, they get hepatitis of drug more easier.
滑溜水虽然比其他压裂液损害程度小，但也容易导致支撑剂在近井带的裂缝底部发生沉降，并非有效的携砂介质。
Slickwater, while less damaging than other fluids, is an ineffective fluid transporter that leads to proppant settling on the fracture bottom close to the wellbore.
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