Cost for operationventilation, operation safety, smog exhaust during a fire and its control and other key problems are well addressed.
在满足通风要求的基础上，重点研究了通风运营成本及运营安全、火灾排烟及火灾通风控制等关键问题。
2
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。
3
Methods:The nutritional support treatment was performed in 87 cases of serious patients post heart operation during mechanical ventilation.