Dana Christensen, associate lab director for energy and engineering at ORNL, says that health risks from radiation in coal by-products are low.

OR NL能源与工程方面的助理实验室主管Dana Christensen说，煤电副产品的放射性引起的健康威胁很低。

youdao

Dana Christensen, associate lab director for energy and engineering at ORNL, says that health risks from radiation in coal by-products are low.

OR NL能源与工程方面的助理实验室主管Dana Christensen说，煤电副产品的放射性引起的健康威胁很低。

youdao