tobacco-bale press

33(C-33)——used for blades of flue gas turbines,including the design ideas,their chemical compositions,microstructures,properties as well as applications in refineries.

介绍了烟机叶片使用的长城1号(C-1)、长城33号(C-33)两种防护涂层。

Preliminary studies on evaluation of environmental condition for organic tobacco production;

有机烟叶及其生产地的评估研究