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O 开头的英语单词（共 89,563 个）
operating latitude
适用纬度
operating lease
[经] 经营性租赁
operating leases
营业租赁
operating leasing
经营租赁
operating ledger
[经] 成本分类帐, 损益科目分类帐
operating length of railway
铁路运营长度
operating level accelerating pump
[网络] 加速泵操纵杆
operating lever
操纵杆
operating lever for reverse valve
[铁路] 回动阀操纵杠杆
operating lever hook
操作杆钩
operating lever spring foot
操作杆簧位钉
operating lever stem
操作杆柄轴
operating lever stud
操作杆桩
operating leverage
[经] 营业杠杆, 营业杠杆作用
operating leverage ratio
经营杠杆系数
operating license
行许可证，运行执照
operating life
[化] 工作寿命
operating light
手术灯
operating limit
使用极限
operating limits
极限工况
operating limits and conditions
运行限值和条件
operating line
[化] 操作线
operating liquid
[网络] 工作液体
operating load
[化] 工作负荷; 运转负荷