Radiation shielding concrete Radiation shielding concrete is used to shield X-rays, and Y-rays in the concrete.

防辐射混凝土 用于屏蔽X 射线、γ 射线和中子辐射作用的混凝土。

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Shielding - the heavier and denser the materials - thick walls, concrete, bricks, books and earth - between you and the fallout particles, the better.

掩体——掩体越重，挡在你和反射性沉降颗粒之间的物质——如厚墙壁，砖块，书本，土层越多，保护效果越好。

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