词语有效寿命
解释actual life;effective lifetime;service life
有效寿命actual life;effective life;effective lifetime;service life详细»
有效寿命active life time;service life详细»
有效寿命active life time;effective life;useful life详细»
有效寿命actual life详细»
有效寿命useful working life详细»
有效寿命actual life;effective life详细»