[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

选购冬季气罐时看罐体标注的三种气体配比:含丙烷比例越高低温性能越好,纯丙烷沸点-42℃但压力过高一般不单用,主流冬季混合气丙烷占比20-30%

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