radium D镭D
radiumn.[化]镭(元素符号Ra)
radium investigation depth径向探测深度
radium-plaque adaptomete蕾板适应计
radium-plate adaptometer镭板适应计
radium-type vacuum gauge放射真空计
radium sonde for esophagus食道用镭探条
radium-plaque adaptometer镭板适应计
radium irradiation equipment镭辐射设备
radium for scientific purposes科学用镭
Radium is a chemical element.镭是一种化学元素。
Radium tubes for medical purposes医用镭管