At first the parade goes swimmingly, until the crowd realises the balloon will not fit under a traffic light and handlers desperately attempt to move the reindeer around the obstruction.
起初游行走得很顺畅，直到人群发现气球被一个红绿灯卡住，操作手们拼命想让驯鹿越过障碍物。
Endoscopic balloon dilatation for treatment of benign gastric outlet obstruction is an effective and safe method.
经内镜球囊扩张是治疗良性胃输出端梗阻的安全而有效的方法。
To evaluate the efficacy and safety of endoscopic balloon dilatation for treatment of benign gastric outlet obstruction.
探讨经内镜球囊扩张治疗溃疡病胃输出端良性梗阻的疗效和安全性。
Objective To evaluate the interventional balloon dilation in the therapeutic efficacy of ureteropelvic junction obstruction (UPJO) via percutaneous puncture.
目的探讨经皮穿刺放射介入球囊扩张法治疗肾盂输尿管交界处狭窄的方法及疗效。
Objective To evaluate the interventional balloon dilation in the therapeutic efficacy of ureteropelvic junction obstruction (UPJO) via percutaneous puncture.
目的探讨经皮穿刺放射介入球囊扩张法治疗肾盂输尿管交界处狭窄的方法及疗效。
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