The performance of ventilation system directly effects manufacture together with personal safety.
通风的好坏直接影响矿井的生产与人身安全。
参考来源 - 巷道局部通风机的设计与分析·2,447,543篇论文数据，部分数据来源于NoteExpress
He had shown himself careless of personal safety where the life of his colleagues might be at risk.
他在同事们有生命危险时表现出不顾个人安危之举。
He went to the rescue of a drowning child regardless of his personal safety.
他去抢救落水儿童，把个人安危置之度外。
Loki challenged them to make treasures equal to the three he had, not being willing to risk his personal safety.
在不愿意牺牲自己个人安全的情况下，洛基挑战他们，做出的宝物是跟他的三项宝物相同的。
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