N a mixture of volatile flammable hydrocarbons, mainly butane, obtained in the distillation of petroleum 粗丁; 易变的可燃碳氢化合物混合体 [美国英语]
N（名词） a mixture of volatile flammable hydrocarbons, mainly butane, obtained in the distillation of petroleum 粗丁; 易变的可燃碳氢化合物混合体 [美国英语]