light ends烃: hydrocarbon指: finger轻质烃: light hydrocarbon轻质烃类: light hydrocarbons轻质烃装置: light hydrocarbon unit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:轻质烃;指,即可在微信中查询翻译