oilsand油砂
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil-rdm oscillation油膜振荡
oil pump dental chair油泵牙科椅
oil refining industry炼油工业
oil containing sludge含油污泥
oil transmission pipe输油管道
oil security strategy石油安全战略
oil level gauge glass玻璃油位表
Oil-separating pond隔油池
oil-gas exploration油气勘探
oil siphon lubricator虹吸注油器