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.
什么是卵石层反应堆，事实上就是同样的,铀核包装的微粒,有大约1万的微粒,被放入了一个石墨卵石里。
Bursting bubbles of gas project agglomerates of particles into the space above the bed.
爆裂的气泡把一团团的颗粒投射到床层上部的空间中去。
The mean velocity and time passing the horizontal entrained bed of the particles and Argon gas were obtained and the difference between the granules and the gas movement in mean velocity was analyzed.
计算出了颗粒和氩气的平均速度以及流经水平携带床的时间，对颗粒与氩气的跟随性进行了分析。
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