Unverified85% confidenceDecision RuleTime unknown
购买时需确认导管前端开孔方式（侧孔/顶端开孔）和是否带控制阀，带指控阀的款式更方便单人操作时控制负压
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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