oilsand油砂
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil and wax pull-up油蜡变色
oil in water emulsion水包油乳状液
oil - gas migration油气运移
oil exporting country石油输出国
oil circulation valve循环油阀
oil-oil correlation油油对比
oil-yielding shrubs油料林木
oil-to-air cooler气冷式滑油散热器
oil filtering machine滤油机
oil-softened rubber油软化橡胶