maximum service life

• 最长工作寿命,最大工作寿命

maximum service life的用法和样例：

例句

1. The entire range has special anti-dust air intake filters to guarantee a long operating life.
   整个系列有特别的防止抗灰尘吸入的过滤器保证有长的工作寿命。
2. A bulb at the connector end provides a reservoir of filling gas which is necessary to give a reasonable working life.
   在连接体的末端有一个小球，用以贮存所充的气体，其目的是为了使计数器具有适当的工作寿命。