您要查找的是不是：
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗？
- The evolution of heat from the sun is inestimable. 从太阳中放射出的热是无法估计的。
- We studied the evolution of flowers from seeds and buds. 我们研究从种籽和花蕾到花的成长过程。
- The apparatus used in the cracking of petroleum. 裂化设备用于裂化石油的装置
- Place a dab of petroleum jelly on the bulb. 涂少量的凡士林在温度计上。
- Any new source of energy will be welcome, as there is a shortage of petroleum. 由于石油短缺，任何一种新能源都会受欢迎。
- Kerosene is a by-product of petroleum refining. 煤油是提炼石油的副产品。
- Evolution of zeolite synthesis was reviewed. 综述了沸石分子筛的合成和最新进展。
- The prices of petroleum products have soared. 石油产品价格已上升。
- He is absorbed in the evolution of the story. 他被故事情节的发展吸引了。
- They'll sink a well in search of petroleum. 他们将钻井找石油。
- B:All plastics are the byproducts of petroleum. 所有塑胶都是石油的副产品。
- We study the evolution of flower from seed and bud. 我们研究从种籽和花蕾到花的成长过程。
- Pursuing by thousands of petroleum corp. 上千家石油公司的追捧!
- On the Development and Evolution of Contract Law. 浅析古代、近代、现代合同法的发展与演变。
- Evolution of High Pressure Processing. 高压加工的发展。
- Evolution of studies of Paeonia L. 生物学特性研究进展。
