grease stain

常见例句

The principle and experiments on the measurement of grease stain in petroleum pipeline using the thermal neutron gauge were reported.
叙述了利用热中子透射计测石油管道内油垢厚度的原理、实验和结论。
The calculation of the grease stain thickness which in petroleum pipeline was carried by the γ-ray transmission method which is unwasted.
射线透射法测量输油管道油垢厚度，是一种无损检测的方法。
Use ion chromatography to analyze inorganic composition of grease stain, optimize the chromatography conditions, and a method of analyzing inorganic composition of grease stain is set up.
运用离子色谱法对油田结垢无机成分进行分析研究，优化色谱条件，建立了油垢无机成分分析检测方法。