[KongchangAI]
Unverified83% confidenceFactTime unknown

常见内径规格以收缩前直径标注(如Φ3表示收缩前内径3mm),2:1管收缩后内径约为标注值的一半(约1.5mm)

1
Sources
83%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/244144
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get_claim(id=244144)