同时，设置多道实体屏障，确保层层设防，防止和控制放射性物质释入环境。

Meanwhile, multiple physical barriers shall be set up to ensure that multiple lines of defense are in place to prevent and control release of radioactive substances into the environment.

youdao

同时，设置多道实体屏障，确保层层设防，防止和控制放射性物质释入环境。

Meanwhile, multiple physical barriers shall be set up to ensure that multiple lines of defense are in place to prevent and control release of radioactive substances into the environment.

youdao