短语词组短语rarefied gas 稀薄气体rarefied atmosphere 稀薄大气rarefied mixture 稀疏混合物rarefied gases 稀薄气体rarefied piston 稀释等离子体rarefied plasma 稀薄等离体rarefied detail 变成稀薄的rarefied zone 稀薄区 返回 rarefied