The other is special chemicals of ethyne, such as 1,4-butanediol series made by alkyne -aldehyde method, including ethynyl aether,polyacetylene,etc.

 
  • 在石油价格居高不下的情况下,乙炔化工在某些领域将具有明显的竞争优势。
今日热词
目录 附录 查词历史