abbr.Technical Assistance Recruitment Service (联合国)技术援助征聘处;
英文例句/中文翻译:
The Determination of Group Composition in Heavy Oil and Tar
重质油和焦油的族组成分析
Efficiency Analysis of Light Coal Tar in Heating of Pumping Stations
煤焦轻油在输油站加热中的效能分析
New Processing Method for Washing Naphthalene Used of Light Tar
轻质焦油洗萘新工艺