Superseded85% confidenceDecision RuleTime unknown
冬季零下环境优先选煤油而非丁烷气罐——煤油在-20℃仍可燃烧，普通丁烷气罐在0℃以下气化能力骤降甚至无法点火；异丁烷+丙烷混合气罐可用到-15℃左右
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This knowledge claim has been superseded by newer content
冬季或高海拔露营（0℃以下）应选异丁烷或丙烷混合气，纯丁烷在0℃左右就无法气化导致炉头打不着火Sources
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