Postoperative angiography and Doppler - Ultrasonic examination showed shunt patency in 90% of cases. Partial shunt thrombosis occurred in 2 cases in PTFE graft without supporting rings.
术后门脉系统彩色多谱勒超声及血管造影检查，向肝血流量无明显影响，分流道通畅率90%，普通ptfe者血栓形成2例。
Results Among the 87 lying in women traced by B ultrasonography examination, 2 were placenta lower, 2 were marginal placenta previa, 3 were partial placenta previa and 5 were complete placenta previa.
结果87例B超追踪检查到结束妊娠，2例低置胎盘，2例边缘性前置胎盘，3例部分性前置胎盘，5例对称的中央性前置胎盘。
This paper mainly discusses the operation principle of hydraulic disc brake, the constitution of on-line examination and the designs of electric circuit, machine and software partial.
主要论述了液压盘式制动器的工作原理和在线检测系统的组成，以及检测系统电路原理、机械部分和软件部分的设计。
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