displacement configuration排: arrange; put in order油: oil; fat; grease结构: structure; composition; cons ...润滑油结构: grease structure排油: discharge of oil; oil drainage; oil vent; overspill; reservoir sweep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:排油结构，即可在微信中查询翻译
