autothermal butane cracking自: self; oneself; one's own丁烷: butane裂化: cracking丁烷裂解: butane cracking自热裂化: autothermic cracking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:自热丁烷裂化,即可在微信中查询翻译