石化行业中,一些专业术语的用法容易混淆,使用时应注意区分。工艺:process,technique,technology,process指工艺流程,process flow指工艺流程图;technique和technology都指工艺方法,但后者所指范围较大。柴油加氢装置:gas oil hydrotreating unit,此处柴油是半成品,用gas oil,最终出售的柴油用diesel。换热系统:heat exchanging system,指工艺物流之间的换热;冷却系统:cooling system,指 In the petrochemical industry, the usage of some professional terms is easy to be confused and the distinction should be made when using it. Process: process, technique, technology, process Refers to the process flow, process flow refers to the process flow diagram; technique and technology refer to the process, but the latter refers to a larger range. Diesel hydrogenation unit: gas oil hydrotreating unit, where diesel is a semi-finished product, with gas oil and finally diesel for sale. Heat exchange system: heat exchanging system, refers to the heat exchange between process logistics; cooling system: cooling system