这些措施主要为了减少摄取或吸入可释放β射线的物质的概率。

These measures are mainly aimed at reducing the potential for inhaling or ingesting beta-emitting radioactive material.

youdao

这些措施主要为了减少摄取或吸入可释放β射线的物质的概率。

These measures are mainly aimed at reducing the potential for inhaling or ingesting beta-emitting radioactive material.

youdao