grease stain

常見(jiàn)例句

The principle and experiments on the measurement of grease stain in petroleum pipeline using the thermal neutron gauge were reported.
敘述了利用熱中子透射計(jì)測(cè)石油管道內(nèi)油垢厚度的原理、實(shí)驗(yàn)和結(jié)論。
The calculation of the grease stain thickness which in petroleum pipeline was carried by the γ-ray transmission method which is unwasted.
射線透射法測(cè)量輸油管道油垢厚度，是一種無(wú)損檢測(cè)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.
運(yùn)用離子色譜法對(duì)油田結(jié)垢無(wú)機(jī)成分進(jìn)行分析研究，優(yōu)化色譜條件，建立了油垢無(wú)機(jī)成分分析檢測(cè)方法。