WO3 in slag is reduced mainly to WC and W2C,which are deposited on crucible wall and become tungsten deposit,the WO3-bearing slag is well humidified with g...

 
  • 可以預測:含鎢渣具有比含鈦渣更優(yōu)越的護爐性能,而且對高爐冶煉不會(huì )帶來(lái)困難。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan