O 开头单词
oil layer [油脂] 油层；含油地层；含油层；[机] 油膜
oil lantern 油灯；油提灯
oil lamp 油灯
oil interceptor 集油器；油污截流井
oil insulation [动力与电气工程]油绝缘[机械工程]油绝缘
oil inspection kit [能源科学技术]检查油料用成套仪器
oil inlet hose [经济学]进油软管
oil inlet 进油管；注油口
oil inflame 燃油燃烧
oil industry [油气] 石油工业
oil in storage [教育学]管道中的油
oil in reserve [能源科学技术]尚未能利用的石油储量储存油
oil immersion objective [光] 油浸物镜 油镜
oil immersion lens 油浸镜 油镜
oil hydrogen separation [材料科学]油氢分离
oil hydraulic cylinder n. 液压缸，油压缸
oil house 油库
oil hose 运油软管，输油胶管