alkaneshc hydrocarbonhydro carbonshydrocarbon compoundshydrocarbons烃: hydrocarbon环烃类: gc standards -cyclic hydrocarbons链烃类: catenanes卤烃类: alkyl halides; halohydrocarbon索烃类: catenanes下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:烃类,即可在微信中查询翻译