necrotic tissue短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 坏死组织 In cases complicated with pancreatic abscess or severe retroperitoneal infection, removal of necrotic tissue and the establishment of good drainage were crucial to prevent late death. 并发胰腺脓肿及严重感染者，应再手术去除病灶并引流，是防止晚期死亡的重要环节。 cnki