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O 开头的英语单词（共 89,563 个）
oil seal piston rod
[网络] 活塞杆密封圈
oil seal plate
油封板
oil seal pump
[网络] 油封泵
oil seal(ring)
[化] 油封圈
oil sealed
[机] 油封
oil sealed pump
油封泵
oil sealed rotary vacuum pump
油密封式旋转真空泵
oil sealed stuffer
[化] 油封填料
oil sealed vacuum pump
油封真空泵
oil sealing device
封装置(氢冷发电机的)
oil sealing gland
[网络] 油封填料函
oil seasoning
热油干材法
oil secondary migration
石油二次运移
oil sediment
[油脂] 油脚
oil sediments
油中沉淀物
oil seed
含油种子
oil seed meal
油籽粕
oil seeds
[网络] 油籽；油料种子；油菜籽
oil seep
【地质学】渗透[亦作 petroleum seepage, seepage]
oil seepage
[化] 油渗出; 油渗漏
oil separate chamber
[化] 油分离槽
oil separating
[化] 油的分离