您要查找的是不是：
- carbonization index of oil 油的碳化指数
- When salinity of formation water is rather high, the volumetric photoelectric absorption index of water and that of oil (gas) are quite different. 当地层水含盐量较高时，水的体积光电吸收指数与油（气）的体积光电吸收指数相差较大。
- The oil water relative permeability is an important index of appraising oil reservoir,It is very extensive that uses in the calculation of oil reservoir engineering. 油水相对渗透率是评价油藏的一个重要指标,它在油藏工程计算中的应用十分广泛。
- The price of oil has suddenly rocketed up. 石油价格突然飞涨。
- A person's face is often an index of his mood. 一个人的脸部表情常常反映这个人的情绪。
- The country has abundant supplies of oil. 这个国家的石油供应充裕。
- The price of oil have reach$30 a barrel. 石油的价格已涨到每桶30美元。
- How much does a barrel of oil cost? 一桶石油要多少钱?
- There is a slick of oil on the water. 水面上有一片浮油。
- Mexico has a large surplus of oil. 墨西哥有大量过剩的石油。
- Odor is an important index of oils, also it is one of the important factors to form the flavor. 摘要气味是油脂一项重要的感观特征指标，也是构成油脂风味的重要因素之一。
- Last year there was a big supply of oil and the price hit bottom. 去年石油供给充足，价格降到最低点。
- The increasing sale of luxury goods is an index of the country's prosperity. 奢侈商品销售量日增是该国繁荣的标志。
- Consumption of oil increase even after it rise in price. 即使涨价后石油的消费仍在增长。
- A low number; a low grade of oil. 一个小的数; 低级油
- The face is the index of the mind. [谚]脸是心灵的镜子。
- The explosion of oil prices caused an economical crisis. 石油价格的急剧上涨引起了经济危机。
- Color is commonly an index of ripeness or spoilage. 色泽一般是成熟和败坏的标志。
- Not only was it difficult to light, but it smelled of oil. 它不仅难于点着，而且闻起来有一股油味。
- Busy factories are an index of prosperity. 忙碌的工厂是繁荣的表徵。
