oil navy 油船队oil neck 油滴收缩颈oil of paraffin 石蜡油oil of vitriol 矾油oil off-take target 产油目的层oil offtake 产油量oil origin 石油成因oil originally in reservoir 油层原始储油量oil outlet 放油oil package 石油产品容器oil pad 油垫oil pan 油盘;切屑盘oil passage 润滑油孔oil patch ...
O'Doherty-Anstey approximation 奥多赫茨-安斯蒂近似 O'Doherty-Anstey formula 奥多赫茨-安斯蒂公式 O-C-O 断-闭-断 o-dichlorobenzene 邻二氯苯 O-man 大型万能机械手 O-R 氧化-还原 o-ring seal 密封圈 O-ring O-形环 o-xylene 邻二甲苯 O. A. 未偿还帐款 O. A. 先付 O. A. 油吸附值 o. v...