[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

一次性罐装氧气开封后无法长期保存(阀门泄漏),适合应急一次性用;可反复充气的钢瓶式氧气包容量大但重达3-5kg,仅适合车载或家庭固定使用,不适合随身携带

1
Sources
80%
Confidence
Long-term
Relevance
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First Seen

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https://kongchang.com/claim/274712
API
curl https://kongchang.com/api/v1/knowledge/claims/274712
MCP
get_claim(id=274712)