美国中东问题特使威特科夫：伊朗的民用核计划不可能有铀浓缩。

Core Viewpoint - The U.S. Special Envoy for Middle East Issues, Wittekov, asserts that Iran's civilian nuclear program cannot involve uranium enrichment [1] Group 1 - The statement emphasizes the impossibility of uranium enrichment within Iran's civilian nuclear program [1]