一氧化氮能保持血流畅通，它是我们血管中存在的最强的扩张剂(扩张血管)，还可以抑制阻塞(血栓)的形成，同样地也可以抑制炎症的发生。

It keeps our blood flowing smoothly, it is the strongest dilator (widener), of our blood vessels, it inhibits the formation of blockages (plaques), and it inhibits inflammation.

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为此心血管医生会在球囊上套一段金属筛网状支架并放置在梗塞部位以保持血管的畅通。

To solve the problem, cardiologists put pieces of wire mesh called stents around the balloons. The stents remain in place as a piece of scaffolding to try to keep the arteries open.

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二是有利于增强心、肺功能，使血液循环畅通，保持心血管系统的健康，防止高血压病的发生。

Second, it helps to strengthen the heart, lung function, the blood circulation, maintaining a healthy of cardiovascular system, to prevent the occurrence of hypertension.

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