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O 开头的英语单词（共 89,563 个）
oil water heater
[化] 油热水器
oil water interface
油水界面
oil water separator
油水分离器
oil water seperator
[网络] 油水分离器；完整的一套油水的分离器；机油水分离器
oil water surface
[化] 油水分界面
oil way
油路,润滑油槽,注油孔
oil wealth
石油财富
oil weapon
[经] 石油武器
oil wear
[化] 油耗
oil wearing quality
油的防磨损性质(润滑油降低润滑表面机械的磨损性能)
oil wedge
[化] 油楔
oil well cartridges
油井用炸药
oil well casing
油井套管
oil well cement
[化] 油井水泥
oil well drilling
油井钻探
oil well drive
[油气] 油井驱动
oil well gas anchor
[油气] 油井气锚
oil well pipe
油井管
oil well pipe thread
[网络] 油井管用螺丝纹
oil well pressure
[油气] 油井压力
oil well pump
抽油泵
oil well pumping method
深井泵采油法