[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

带侧孔设计更保护黏膜但吸引痰液时负压会被分散、对黏稠痰的吸引力弱于单孔;痰液特别黏稠时侧孔管可能效率不足需配合化痰处理

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