The high pressure blast furnace gas and coke-oven gas mixture used for making red copper casting,bronze casting, aluminum casting, zinc base alloy and some brass casting, is introduced.

 
  • 介绍了用高炉、焦炉混合高压煤气作为燃料,生产紫铜件、锡青铜件、铸铝件、锌基合金及部分黄铜件。
今日热词
目录 附录 查词历史