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1·Adding air pressure within the annular space between the housing and sleeve can throttle, or close the valve.

在阀体外壳和套管之间的环形空间内施加气压，即可实现阀门的节流和关闭功能。

2·Objective to summarize the experience in treating mitral insufficiency (mi), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.

目的总结二尖瓣后环缝缩治疗二尖瓣关闭不全(MI)的临床经验。

3·Applying air pressure to the annular space between the sleeve and the body actuates the valve.

在套管与阀体之间的环形空间内施加气压来驱动阀门。

4·Conclusion tricuspid annular dilatation, right heart impairment and severe pulmonary hypertension are responsible for the development of late tricuspid regurgitation after mitral valve replacement.

结论二尖瓣置换术后远期三尖瓣功能性关闭不全与三尖瓣环扩大、右心功能损害和严重肺动脉高压有关，三尖瓣环扩大是其重要的原因。

5·The output end of the T-shaped three-way is communicated with the input end of the annular-space spray valve which is fixedly connected to the plasma cutting torch by the holding mechanism.

T型三通的输出端连接喷雾阀的输入端，环隙式喷雾阀通过夹持机构固定连接在等离子割炬上。