Users of improved highways benefit from decreased cost of transportation, greater travel comfort, increased safety, and saving of time.
改善了的公路的使用者从减少的运输成本、更舒适的旅行、增加的安全感、和节约时间中得到好处。
The mining and technology play an all-important role in the safety production, exertion of the equipments ability, production cost, economic benefit, and so on.
煤矿开采方法及技术对煤矿的安全生产、生产设备能力的发挥、生产成本、经济效益等具有十分重要的作用。
Of lowermost safety standard is pair of cost - a of benefit analysis method main environmental complement factor.
最低安全标准＂是对成本-效益分析方法的一个重要的环境补充因素。
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