factor of cracking裂化: cracking因素: factor; element裂化因数: factor of cracking; soaking factor老化因素: ager; aging action; aging factor女性化因素: feminizing agent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:裂化因素，即可在微信中查询翻译
