Each "pebble" in a pebble-bed gas reactor is a graphite fuel sphere the size of a tennis ball.
在一个球形气体反应堆里的每一个“小球”都是一个网球大小的石墨燃料球。
2
The active reactor zone is a laying of graphite blocks with cylindrical fuel apertures.
主动反应堆区域由石墨包裹的圆柱形燃料棒堆积排列而成。
3
What a pebble bed reactor is, is in fact the same coated particle with the uranium kernel and there are about ten thousand of these particles that are put into a graphite pebble.