“ventilation for radon discharge”的概念、定义、翻译、参考文献-科学参考

单词	ventilation for radon discharge
释义	ventilation for radon discharge Encyclopedia 工学放射性矿床开采释 ventilation for radon discharge排氡通风在铀矿开采中，向井下供给新鲜风流，稀释、抑制和排出氡和氡子体等污染物的矿山通风方法。目的是保障铀矿井下工作人员的安全和健康，对个人受到的放射性照射加以控制，确保井下工作人员接受的年平均有效剂量不超过规定的限值。
随便看	order of the bits Order of the Most Holy Savior Order of the presidium of the Central Revolutionary Military Commission on the reorganization of the Red Army order of units order on a set order-open interval order-optimal method order over a Dedekind domain order Pandanales order parameter order parameter relaxation order Patrosaviales order pattern order-placing meeting order Poales order-preserving order-preserving correspondence order-preserving function order-preserving isomorphism order-preserving mapping order-preserving relation order-preserving semigroup order property of real numbers order region order relation

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