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O 开头的英语单词（共 89,563 个）
oil draining
放油孔；泄油；滑油放油嘴
oil drill bearing
[油气] 石油钻机轴承
oil drilling rig
石油钻机
oil drilling rigs
钻油设备
oil drilling waste
油钻井废液
oil drip
滴油器
oil drip pan
[网络] 滴油盘；接油盘；挡油罩
oil drip tray
[网络] 泄油垫圈；滴油盘
oil dripper
滴油器
oil dripping
滴油,漏油
oil drive
[化] 油传动
oil drop
[化] 油滴
oil drop experiment of millikan
密立根油滴实验
oil droplet
油珠
oil dropping apparatus
给油箱[器]
oil drum
[化] 油桶
oil drum stand
油桶架
oil drying
热油干燥
oil drying method
[油气] 油干燥法
oil dual thermometer
油用双温度计
oil duck
[电] 油沟
oil duct
油道
oil dust detector
[网络] 油雾检测器
oil duties
石油进口税
oil dye
[化] 油溶染料