[KongchangAI]
Unverified90% confidenceFactTime unknown

含丙烷比例的高山气(如异丁烷70%+丙烷30%)适用温度可低至-15℃到-20℃,纯异丁烷约-11℃,纯丁烷仅约-0.5℃

1
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90%
Confidence
Long-term
Relevance
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