It is necessary to construct the coastal petrochemical engineering for developing the Marine economy, but the impact of coastal petrochemical engineering on Marine environment is inevitable.
海岸石化工程的建设是海洋经济发展的必然,但海岸石化工程对海洋环境的影响也是不可避免的。
The fundamental implementation procedure of petrochemical engineering project normally is divided into 8 phases.
石化工程项目实施的基本程序通常划分为8个阶段。
The thermal conduction calculation of heat exchanger used in petrochemical engineering is largely related to physical data of hydrocarbon and its mixture.