model iv fluid catalytic cracking型: mould; model流化: fluidifying; fluidization催化裂化: catalytic cracking正流型流化催化裂化: orthoflow catalytic cracking流化催化裂化: fluid cracking; fluidized-bed catalytic 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:iv型流化催化裂化，即可在微信中查询翻译
