cavum pelvis英美骨盆腔医学双语例句Analyzing the chronic pain causes of 138 cases cavum pelvis138例慢性盆腔疼痛原因分析Objective: To research the chronic pain causes of cavum pelvis.目的:探讨分析慢性盆腔疼痛的原因,以利作出疾病诊断。