您要查找的是不是：
- impermeable stricture 不可通性狭窄
- If stricture develops, bouginage will be needed. 若狭窄发生，则需用探条扩张术。
- A usually impermeable substance used for caulking. 堵塞材料用于堵缝的通常不渗透的材料
- The passage became absolutely impermeable. 过道完全不通了。
- A usually impermeable substanceused for caulking. 堵塞材料用于堵缝的通常不渗透的材料。
- Thus clays and shales tend to be impermeable. 因此粘土和页岩就往往不透水。
- Rocky or impermeable sites should be avoided. 多岩石和不具渗透性的地点应当避免。
- All carotid stricture or obliteration occurred at the initial part. 结果 :颈内动脉严重狭窄或闭塞全部发生在起始部。
- The external layer of the skin is relatively impermeable to water. 皮肤的外层不透水。
- An impermeable cover is utilized to impound the stream. 用不透气的覆盖物把蒸气盖
- The impermeable layer has aged, we must find someone to repair it. 楼顶的防渗层已经老化，要请人来修理了。
- Water cannot easily flow in these impermeable rocks. 水不容易流进那些不透水的岩石。
- Second urethral reunion operation for post-traumatic urethral stricture. 二次会师术治疗创伤性尿道狭窄探讨
- Conclusion Endoscopic treatment of uretera l stricture is effective. 结论腔内治疗输尿管狭窄是有效的方法。
- Objective Discuss per urethra operation cured urethra stricture or atresia. 目的探讨经尿道腔内手术治疗尿道狭窄或闭锁。
- Impermeable wall of the dam is very long, so the task is burdensome. 由于堤坝防渗墙长度很大，因此检测任务繁重。
- Virtul endoscopy can multi-angularly display spinal canal injury and stricture. 仿真内窥镜能多角度观察病变椎管内形态及狭窄状况。
- Objective To study the effect of endovascular surgery to urethral stricture. 探讨腔内手术治疗尿道狭窄的治疗效果。
- Finely woven or impermeable gloves resistant to MMVF fibre penetration. 抗MMVF纤维渗透的，精心编织的或液体，气体无法渗透的手套。
- Thin layers of other impermeable materials are found in nature, too. 在自然界中也发现有其他非渗透性薄层物质。
