The paper describes the upturn of gas industry in recent two years and the information pertaining to the recovery of small air separation plants.

 
  • 介绍了近两年气体行业形势回升,小空分开始复苏的动态,除低温液体贮运外,兴起氧氮气体外液化;
今日热词
目录 附录 查词历史