Establishment and application of grain production safety index.
粮食生产安全指数建立及应用。
The reliability distribution of ventilation system is an important index when optimizing the reliability design of mine ventilation system and insuring production safety and routine management.
通风系统可靠性分配是优化矿井通风系统可靠性设计、保障安全生产和日常管理的一项重要指标。
The reliability of a mine ventilation system is for the safe production an important safety index of a mine.
矿井通风系统的可靠性是矿井安全生产的一项重要安全指标。
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