“track etch survey accumulative Radon meter”的概念、定义、翻译、参考文献-科学参考

单词	track etch survey accumulative Radon meter
释义	track etch survey accumulative Radon meter Encyclopedia 工学氡及氡子体测量设备释 track etch survey accumulative Radon meter径迹法累计测氡仪可以累积测量几天、几个月，甚至几年内空气中氡浓度的平均值或累计暴露量的仪器。能测量出氡浓度的年平均值，适用于测量场所的氡浓度。
随便看	preemphasis preemption preemptive multitasking preemptive priority preemptive scheduling preemptive strategy pre-engineered extinguishing system pre-enrichment pre-equilibration emission pre-equilibration process pre equilibrium pre-equilibrium preequilibrium pre equilibrium reaction pre-equilibrium reaction preequilibrium reaction pre-equivalence data pre-equivalence relation pre-esterification of oil preevacuate preexcited preexist preexitation syndrome pre exponential factor pre-exponential factor

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