The use of rolling, credit unions and withholding of financing agreements, the implementation of the reverse mode of financing and payment mechanisms for special groups;
采用滚动式、信用社代扣式和协议式的筹资方式，实行反向筹资模式和特殊群体的缴费机制；
2
The test method for determining all kinds of additives in aluminium rolling oil was studied by solid phase extraction and reverse-phase high performance liquid chromatography.
采用固相萃取和反相液相色谱法研究了测定铝材轧制油中各种添加剂的方法。
3
This article mainly studies the phenomenon of width reducing of aluminium and aluminium alloy material which is rolled by 4-high non-reverse cold rolling mill with more forward and backward tension.