您要查找的是不是：
- Two schools of thought regarding the origin of petroleum exist. 关于石油的成因有两大学派。
- I think the theory of inorganic origin of petroleum hydrocarbons has not been generally accepted. It is merely of historical interest. 我认为石油碳氢化合物无机来源的理论未能被多数人接受，它仅在过去引起过某些人的兴趣。
- Various theories and suppositions have been proposed about the origin of petroleum hydrocarbons. It is really a hot topic. 有关石油碳氢化合物的起源问题，有着各种各样的理论和推测，可以说是一个热门话题。
- 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
- terrestrial facies theory on origin of petroleum 陆相生油说
- The apparent celestial origin of a meteoric shower. 流星群的辐射点明显的流星雨太空光源
- The origin of the universe is an ageless topic. 关于宇宙的起源的问题是个永恒的论题。
- What was the origin of the quarrel? 这场争吵的起因是什么?
- 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。
- Scientists speculate on the origin of the universe. 科学家们猜测宇宙的起源。
- The prices of petroleum products have soared. 石油产品价格已上升。
- They'll sink a well in search of petroleum. 他们将钻井找石油。
- It is meaningful to study the origin of life. 研究生命起源很有意义。
- B:All plastics are the byproducts of petroleum. 所有塑胶都是石油的副产品。
- What is the origin of pelagic oozes? 远洋软泥的来源是什么?
- Pursuing by thousands of petroleum corp. 上千家石油公司的追捧!
