And on this basis the development of a variety of non-standard products such as: the type of explosion-proof, stainless steel-handling hydrogen, nitrogen, carbon dioxide and other special gases.

 
  • 并且在此基础上开发了各种非标准型产品诸如:分体防爆型、不锈钢型处理氢气、氮气、二氧化碳等特殊气体。
今日热词
目录 附录 查词历史