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- light fraction of oil 原油轻馏分
- Reflecting onlya small fraction of incident light. 反射入射光的仅一小部分的。
- As the increase of the injection volume and the mass fraction of the displacing agent M, the increment of oil recovery is increased.And the earlier injecting, the more effectiveness acquired. 随着化学剂质量分数和注入体积倍数的增加，采收率提高值增加，且M驱油剂段塞的注入时间越早，驱油效果越好。
- 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。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- Reflecting only a small fraction of incident light. 反射入射光的仅一小部分的.
- I'll be ready in a fraction of a second. 我马上就好。
- The story does not contain a fraction of truth. 这故事没有一点真实性。
- He has done only a fraction of his homework. 他只做了家庭作业的一小部分。
- The price of oil has suddenly rocketed up. 石油价格突然飞涨。
- The car stopped within a fraction of an inch of the wall. 汽车在离墙不到一英寸的地方停住了。
- 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。
- She spends only a fraction of her earnings. 她只花了所赚的钱的一小部分。
- 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。
- Only a fraction of my friends have video recorder. 我的朋友中只一小部分人有录像机。
- Earthworms comminute the mineral fraction of soils. 蚯蚓粉碎土壤中的无机物碎片。
- 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。
