Results:There were no significant difference in haemodynamics parameter, the duration of eye opening, directional power and extubation between the 2 groups;
结果：两组患者相应时点血流动力学参数无明显改变，呼之睁眼、定向力恢复和拔管时间均无差异；
The liquid discharge passage extends along an axis and the opening is shaped asymmetrically about the axis to provide a controlled directional movement of the liquid filament in a desired direction.
该液体排出通道沿轴延伸且关于该轴形成非对称的开口，以提供液体细丝沿所期望方向的受控运动。
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