The carbon steel used in the mixed salt bath which is the mixture of broax and neutral salt for vanadinizing.

 
  • 采用硼砂與中性鹽混合鹽浴對碳鋼試樣進(jìn)行滲釩,研究鋼含碳量及保溫時(shí)間對覆層厚度的影響。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan