boriding造句

• The heat preservation time which will influence the boriding stratum is discussed primarily
  初步探讨了保温时间对45钢渗硼层的影响。
• The results showed that under the condition of boriding at low temperature wear resistance andcorosion resistance of boried layer were increased and its brittleness was reduced
  结果表明：低温渗硼层的耐磨性和耐蚀性较高温渗硼层的有所提高，而其脆性却有所降低。