PAC可以连续显示肺动脉压及其他多种变量，如心排血量，也可以间断性显示肺动脉闭塞压或楔压。
The PAC allows continuous display of pulmonary artery pressure, and variables such as cardiac output and pulmonary artery occlusion pressure, or wedge pressure, can be intermittently obtained.
方法：建立后肢动脉闭塞犬模型，观测负压前后患肢皮肤微循环及踝动脉压的变化。
Method: Before and after LNP treatment, the skin microcirculation and the BP ankle were examined in dog models with occluded artery in hind leg.
差压计锻件可以采用普通开式模锻成形和可分凹模多向闭塞精密模锻成形。
The differential gauge forging can be made by general open die or horizontal split precision closed die.
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