(physics) a system designed to prevent the accidental release of radioactive material from a reactor n
make radioactive by adding radioactive material
v make impure v make radioactive by adding radioactive material
v make impure v make radioactive by adding radioactive material a spreading pollution or contamination
a perforated or corrugated metal plate used in a storage battery as a conductor and support for the active material n
anode active material
[机] 阳极活性物质
radioactive material
放射性物质
