使用寿命

  • n.longevity; operation life
  • 网络service life; Life Time; useful life

使用寿命使用寿命

使用寿命

n.

1.operation life; working life; useful life; life time; service life (of machines)

2.calendar life

3.using life

4.longevity

5.life length

6.operational lifetime

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