寿命

• With super generous ink supply for extra long life
  超高容量墨水,使用寿命更长。
• Practices on increasing service life of 1350 m3 blast furnace
  3高炉延长寿命实践
• Synthetic stress life testing for hydraulic pump
  液压泵综合应力寿命试验方法研究
• Elastic sealing , no leakage and long service life
  弹性密封,零泄漏,使用寿命长。
• Expectations of life are due to various factors
  人们寿命的长短取决于种种因素。
• An inquisition into serving life of construction machinery
  工程机械使用寿命探讨
• Study on the reduction jar used for mg making
  炼镁还原罐高温失效与使用寿命分析
• Specification : high luminous efficiency , long life
  特点：发光效率高、寿命长。
• How to prolong the life of construction machinery
  如何适当延长工程机械的使用寿命
• Prediction of the remaining life of concrete structures
  混凝土结构剩余寿命的预测