WWPCOCA²⁴⁹¹⁵⁵ 基本例句 n.环形射流式水墙¹⁰⁰ Objective: To study the clinical and experimental effects of Weiwei powder WWP in the treatment of chronic atrophic gastritis CAG, intestinal metaplasiaIM and dysplasiaDys. 目的：观察萎胃散对慢性萎缩性胃炎 CAG及肠上皮化生、异型增生的临床疗效并进行实验研究。 dictall