The technology under construction here, known as a pebble-bed reactor, is not new.
这种名为球床核反应堆的技术并不是新近才出现的。
Another type of high temperature gas reactor is what we call a pebble bed reactor.
另一种高温的气体反应堆是，我们称之为卵石层反应堆。
And this is done because the control rods are not in the pebble bed.
这已经完成了，因为控制棒，不在卵石层那。
And this is done because the control rods are not in the pebble bed.
这已经完成了，因为控制棒，不在卵石层那。
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