waste oil recovery废油: waste oil; slop; slop oil; r ...回收: retrieve; recover; reclaim; ...废油回收率: recovery ratio of used oil油回收: oil recovery残油回收: oil residue recuperation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:废油回收，即可在微信中查询翻译
