Half of the patients with ulcerative colitis require at least one course of systemic corticosteroids in their lifetime.Approximately 75%of these patients will a
【摘 要】本研究通过对水利工程施工过程中存在的常见问题进行深入探究,提出了相应的解决对策,以期为相关从业人员提供相应的借鉴。 【关键词】水利工程;问题;对策 [Abstract] This study deeply explored problems existing in water conservancy project construction process, and put forw