“辐射体”用英语怎么说？

恒星是巨大能量的辐射体.The stars are radiators of vast power.在上部单烧嘴均热炉排烟口处设置新型多孔辐射体,该辐射体具有孔大、孔向下倾斜的特点.The radiator with multi - hole is placed at flue gas exit of one - way fired pit.实验表明,该方法可以快速有效地实现高温辐射体的正确识别.The experiments show...