People with sickle cell disease have a faulty gene that makes their red blood cells change shape and block small blood vessels. 患有镰状细胞病的人拥有一个缺陷基因,这让他们的红细胞改变形状,阻塞小血管。这会导致疼痛、器官损伤和中风。
But, in the fact, the faulty construction qualities still block the project to hand over on time, and the benefit has been influenced. 然而,在大型工程项目建设的实践中,质量问题仍然困扰着大型工程项目的如期交付并影响预期效益的实现。