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- The meanings of factory prefabrication of petro chemical pipes were expounded. 阐述了石油化工管道工厂化预制的意义。
- Petro Chemicals: An unnamed MII official said the government will announce measures to help the petro-chemical industry (refineries, chemicals, and new materials) right after Chinese New Year. 石化：一位未透露姓名的信息产业部官员称，在新年过后，政府将出台举措帮助石化产业（炼油，化工和新原料）。
- The corrosion and Hydrogenation Embrittlement of Titanium Equipment in Petro chemical Industry 石油化工钛设备的腐蚀氢脆
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- This is Kunlun lubricant produced by Petro China. 这是中国石油出品的昆仑润滑油。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- Every one hope that the price of petro will be cut. 人人都希望原油价格能大幅下跌。
- He devoted his life to chemical research. 他一生从事化学研究。
- Se pecjo ne semos, Petro ne rikoltos. 少壮不努力，老大徒伤悲。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
