[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

透气性判断:可用口罩罩住嘴呼气测试,能顺畅呼吸且雾气不过度积聚为佳;GB/T 38880规定儿童口罩通气阻力应≤45Pa,明显低于成人防护口罩要求,避免选压差过高产品

1
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82%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/208445
MCP
get_claim(id=208445)