O 开头单词
operating life 工作壽命；使用期限
operating leverage ratio [經濟學]營業杠杆比率
operating leverage analysis [經濟學]經營杠杆分析
operating leverage 營業杠杆作用；營業杠杆
operating lever [機] 操縱杆；[機] 操作杆
operating leasing 經營租賃
operating lease 經營性租賃；維護性租賃
operating kilometre [土木建築工程]營運裡程
operating instructions 操作槼程；業務槼章；使用說明書
operating instruction manual 操作說明書
operating instruction 操作指南；使用說明書
operating income [貿易] 營業收益，[貿易] 營業收入
operating hours 運轉小時數
operating handle locking bolt [經濟學]操作手柄固定銷
operating handle [機] 操作手柄；[航] 操縱杆
operating force 操縱力；控制力；作動力；動作力
operating experience feedback [能源科學技術]運轉經騐廻餽運行經騐反餽
operating experience 運行經騐，運營經騐
operating expense ledger [經濟學]營業費分類帳