North Korea has the ability domestically to produce the engines that power its ballistic missiles, US intelligence officials have said, raising new concerns about the technological sophistication of the reclusive Asian nation’s weapons programmes.
美國情報官員表示朝鮮有能力在國內制造彈道導彈發動機，這一評估引發了對朝鮮武器計劃技術先進程度的新擔憂。
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