求翻译：.理解呼吸系统常见症状体征的病因。 2.掌握排痰措施呼吸困难的护理措施窒息的急救措施。3.理解机械吸痰的适应症和操作方法及注意事项是什么意思？

Understanding the cause of the respiratory system common signs and symptoms. 2 master the expectoration measures dyspnea nursing interventions choking first aid measures. (3) understand the mechanical suction indications and operating methods and precautions

Understanding common symptoms, respiratory signs of illness. 2.In the process of care measures breathing problems suffocating measures the first aid measures. 3) Understanding the mechanical suction catheter sepsis and operating methods to adapt to and considerations

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. Understanding of common symptoms and signs of respiratory illness. 2. grasp the sputum choking first aid nursing measures measures measures breathing difficulties. 3. understand the indications and methods of operation of mechanical suctioning and matters needing attention

正在翻译，请等待...