API gravity
英 [eɪ piː aɪ ˈɡrævəti]
美 [eɪ pi aɪ ˈɡrævəti]
网络 美国石油学会重力指标; API 比重; 重度; 燃油比重度数; 美制比重
双语例句
- Crude oil is commonly classified as light, medium or heavy, referring to its gravity as measured on the American Petroleum Institute ( API) Scale.
原油通常分为轻型，中型或重型，所指的是对美国石油学会（API）严重程度的规模衡量。 - Thermochemical sulfate reduction, biodegradation make oil properties worse, whereas deasphalting by gas influx occuring in oil of Mesozoic and Cenozoic in Yaha area in Tarim basin can increase its API gravity and GOR, and decrease its viscosity.
热化学硫酸盐还原、生物降解作用使原油物性变差.塔里木盆地牙哈地区中、新生界原油经气洗脱沥青，使原油密度、粘度降低，气/油比值增大，物性变好。