working life

• n. 工作年限；使用寿命；操作期

working life的用法和样例：

例句

用作名词 (n.)

1. Article 20 The standards of the living and medical treatment allowances are calculated according to the employees, working years in the FFEs.
   第二十条生活补助费和医疗补助费标准，根据其在本企业的工作年限计算。
2. The machine's life is very long.
   这机器使用寿命很长。
3. Brand new bearing prolongs the service life.
   全新轴承，增加使用寿命。