secondary type colony  保全系统

secondary-secondary glycol  二级邻二醇

council secondary school {country secondary school}  地方公立中等学校

secondary seta secondary hair  后生刚毛

secondary technical school; technical secondary school  中等技术学校

3D simulation of primary and secondary equipment  一、二次设备三维仿真

3-phase secondary rectification  三相次级整流

6He secondary beam  6He次级束

ability of secondary elevator  副提能力

Abolishing Secondary Remelting Process of Pig lron  取消二次化铁

accounting profession in secondary vocational schools  公交优先

active secondary metabolites  活性次级代谢产物; 乔瑟琳·沃玛

actual secondary impedance  实际二次阻抗

Adding secondary air  2次进气

additional secondary factor  附加二次相速

additional secondary phase factor  附加二次相位因子

additional secondary phase factor {= ASF}  附加二次相位因子

adjustable secondary air baffle  二次风门调节档板

adjustment mechanism of secondary mirror  次镜调整机构