It has many advantages including wide application, simple operation, decreased injury and stimulation to respiratory tract, less complication and reliable ventilation efficacy.
具有应用范围广，操作简便，对呼吸道的损伤、刺激小，并发症少，能维持有效、可靠的通气。
Methods:The nutritional support treatment was performed in 87 cases of serious patients post heart operation during mechanical ventilation.
方法：87 例各种类型的心脏手术后危重病人，在机械通气期间给予营养支持治疗。
To guide the design and operation of emergency ventilation system, intensive study on several key issues of emergency ventilation theory has conducted.
为了指导应急通风系统的设计与运行，本文针对应急通风理论中的若干关键问题进行了较为深入的研究。
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