Under the conditions of technical feasibility and economic rationality, the method of economic analysis for ventilation and radiation protection in uranium mines is proposed.
在技术上可行、经济上合理的前提下，提出了提高通风降氡技术经济效果的途径和建议。
Under the conditions of technical feasibility and economic rationality, the method of economic analysis for ventilation and radiation protection in uranium mines is proposed.
在技术上可行、经济上合理的前提下，提出了提高通风降氡技术经济效果的途径和建议。
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