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有效寿命
| Глоссарий по проходческим щитам (тоннелингу) |
在给定的条件下,当项目的故障率变得不可接受,或因一个错误或其它相关因素被认为不可维修时，在开始和结束时间间隔内的某一给定时刻称为有效寿命。
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Useful life, английский
- Period during which it is estimated that a depreciable asset will provide useful service to the business in which it is used.
- The expected period of time during which a depreciating asset will be productive.
- Срок эксплуатации
- Under given conditions, the time interval beginning at a given instant of time and ending when the failure rate becomes unacceptable, or when the item is considered unrepairable as a result of a fault or for other relevant factors.
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风机房, китайский
在隧道内或邻近隧道安装通风设备如风机、节气闸等设备的地方
调头港湾, китайский
允许车辆调头的横向的港湾
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