Method Design conducting bridge type and light cover style tracheotomy protective rest, and compared the protecting effect of sputum pollution with routine methods.
方法设计电桥式、灯罩式气管切开保护架，与气管切开常规保护法进行痰液污染状况比较。
Method Design conducting bridge type and light cover style tracheotomy protective rest, and compared the protecting effect of sputum pollution with routine methods.
方法设计电桥式、灯罩式气管切开保护架，与气管切开常规保护法进行痰液污染状况比较。
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