smoke height 原文:The oxygen index for the propane results was taken as 0.25 because propane does not have a smoke height in air.

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smokeheight原文:Theoxygenindexforthepropaneresultswastakenas0.25becausepropanedoesnothaveasmokeheighti

smoke height 原文:The oxygen index for the propane results was taken as 0.25 because propane does not have a smoke height in air.
smoke height
原文:The oxygen index for the propane results was taken
as 0.25 because propane does not have a smoke height in air.

smoke height 原文:The oxygen index for the propane results was taken as 0.25 because propane does not have a smoke height in air.
网上软件翻译的结果是:氧指数为丙烷结果被攻取了为0.25因为丙烷不抽支烟,身高在空气中.
smoke height 大概是浓烟的意思吧.
取丙烷中氧的指标为25%,因为丙烷在空气中不产生浓烟.