[KongchangAI]
Unverified90% confidenceFactTime unknown

带防倒吸浮球阀设计,当痰液接近满瓶时浮球会自动封堵气路,防止痰液回流进入吸痰器主机损坏电机,这是选购储痰瓶时的关键安全功能

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90%
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Long-term
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