飞石是露天爆破工程中严重的潜在事故因素。
Slungshot occurring is a potentially dangerous factor in blasting project in the open air.
万吨级船舶在纵向倾斜船台上下水是一个技术复杂且事故因素较多的工艺过程。
The longitudinal launching of large ships from slipway is a process incorporating complicated technology and numerous accident possibilities.
影响山区公路交通安全的因素是复杂的，它是由人、车、路、环境等多因素组成的一个完整的事故因素链。
The factor, which affects the mountain highway safety is complex, is a complete chain composed by people, vehicles, road, environment and so on.
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