短语词组短語ceruminal impaction 耵聹嵌塞;[耳鼻喉]耵聹栓塞inertial impaction 慣性碰撞;慣性撞擎;慣性撞擊ruminal impaction 瘤胃積食omasum impaction 瓣胃阻塞Stool impaction 大便嵌塞horizontal impaction [口腔]水平阻生gizzard impaction 肌胃阻塞impaction retractor 阻生牙牽開器 返回 impaction