单词	腾逐
释义	同騰逐
随便看	operating fork return spring operating frequency operating function operating gangway operating grade operating guide operating handle operating hazard operating hazard analysis operating hazard analysis (oha) operating hints operating hour to flight hour ratio operating impulse operating income operating-income volume variance operating index operating inferiority operating influence operating information operating information system operating instruction operating instruction manual operating instructions operating irregularity operating joule integral