您要查找的是不是：
- They can produce a "ball valve" effect by intermittently occluding the atrioventricular valve orifice. 他们可以产生“球阀”效应，引起房室瓣口间歇性关闭。
- In PAH group, the mitral valve orifice blood streams, the AV of Doppler spectrum,the velocity-time integra and AV/EV, AVI/EVI were all increased significantly compared with the control group (P<0?01). PAH组与对照组比较;二尖瓣口血流多普勒频谱A峰流速(AV)、速率时间积分(AVI)及肺动脉压与二尖瓣口血流频谱比值(AV/EV);AVI/EVI均逐渐明显增大;差异均有显著意义(P<0.;01);
- Methods:The 20 patients with rheumatic mitral stenosis receipted examination of doppler echocardiography.We measure transmitral pressure gradient,mitral valve orifice area and pulmonary flow pattern. 方法:20例风湿性二尖瓣狭窄患者,经多普勒超声心动图检查,测量了二尖瓣口压差、瓣口面积及肺动脉血流频谱参数。
- Series FMO orifices are supplied with two pressure taps used to measure differential pressure across the valve orifice and a metal tag that displays flow rates by differential pressure. 系列FMO孔配置两个测压孔，用于测量通过阀门孔的压差，以及一个金属标签，显示与压差对应的流量。
- Design and Characteristic Analysis of Water Hydraulic Valve Orifice 海淡水液压阀阀口设计及性能分析
- Study and Application of the Bernoulli Effect Near a Valve Orifice 阀口高速流区伯努利效应分析及其应用
- A mouse ran out from the dark orifice of the cave. 一只老鼠从黑暗的洞口跑出。
- The valve shown has a pilot and a bleed orifice. 该阀具有控制孔和流出孔。
- Have you turned off the water valve? 你关掉水阀了吗？
- An endless flow of word stream from the same orifice. 一连串滔滔不绝的话都是同一张嘴巴讲出来的。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- An endless flow of words streamed from the same orifice. 一连串滔滔不绝的话都是同一张嘴巴讲出来的。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- Comparison study of stenotic mitral valve orifice area measured from real-time three-dimensional echocardiography and surgical specimen 实时三维超声心动图与手术测量二尖瓣狭窄瓣口面积的对照研究
- Non-plugging bonnet and throttle orifice. 无堵塞阀帽和节流孔。
- Set pressure and orifice size determine valve capacity. 根据设置压力和节流孔通径来确定阀门的流容。
- Initial exploration into measurement of stenotic mitral valve orifice area by real-time three-dimensional echocardiography 实时三维超声心动图测量二尖瓣狭窄瓣口面积的初步探讨
- ORIF with syndesmotic fixation is recommended for the treatment. 治疗上主张切开复位，重视内侧结构重建并固定下胫腓骨。
- The tumor may prolapse through the orifice. 肿瘤可脱出幽门口。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
