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O 开头的英语单词（共 89,563 个）
operating trouble
操作故障;行车事故
operating troubles
运行故障；操作故障；行车故障
operating type
[建] 作业方式
operating unbalance
工作不平衡
Operating unit
操卓件；操作部件；经营机构；运行机组
operating unit status report
行机组的状态报告
operating value
工作值;吸起值
operating valve
动作阀;操纵阀
operating valve body stud
操作阀体柱螺栓
operating valve foot pedal
[铁路] 踏脚板
operating variable
操作变量
operating variables
运行变量，操作变量
operating vehicle-days
[交] 运营车日
operating virus
=operating system virus
operating volatility
操作挥发度
operating voltage
[化] 工作电压
operating voltage indicator
操作电压指示器，作业电压指示器
operating voltage of auxiliary source
[电] 辅助电源的工作电压