榴莲秋葵小蝌蚪入口98

Ji Feng understands what he means. There are many types of nuclear materials. Some nuclear materials are not very radioactive. Even if a reactor is made, it will not be too powerful. But some materials are different. For example, some materials can be used to make nuclear bombs, but some materials can only be used to make some radioactive technological products. The difference is still very big....