The back ends of the dilation arms are connected in series on the supporter through the movable slide ways on the movable disk.
扩张臂的后端通过移动盘上的移动滑道串联在支撑架上。

Cervix dilation and descending of fetal head are the most important parameters to evaluate birth process in clinical obstetrics.
宫颈扩张和胎头下降是两个标志产程进展的最重要的指标。

B ultrasonography and hysteroscopy and diagnosis dilation and curettage after menopause uterine uemorrhage diagnosis comparison.
超和宫腔镜与诊断性刮宫对绝经后子宫出血的诊断价值

The renal pelvis and calyces show marked dilation, consistent with hydronephrosis, the result of chronic urinary tract obstruction.
肾盂积水致肾盂肾盏明显扩张。

Evaluation of Ascending Aortic Dilation in Patients with Functionally Normal and Stenotic Bicuspid Aortic Valves by Echocardiography
超声心动图评价二叶主动脉瓣畸形与升主动脉扩张的关系

Parametric analysis is carried out to investigate the effects of soil dilation and overburden pressure on the soil nail pullout resistance.
结果显示，当上覆压力较小时，剪胀角对抗拔应力的影响较小。

Therapeutic effect of dilation combined with intramuscular injection with human placenta tissue hydrolysate on anastomotic stenosis after esophagogastrostomy
扩张辅助肌内注射胎盘组织液治疗食管胃吻合口狭窄

Treatment of endoscopic probe dilation in esophagostenosis Clinical analysis of bougienage for the treatment of526 cases of esophageal preventricular stenosis
探条扩张治疗食管贲门狭窄526例临床分析