Фото: Jonathan Ernst / Reuters
Nasa's mega Moon rocket arrives at launch pad for Artemis II mission
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Trump in February said he would leave the decision up to the Department of Justice, rather than being personally involved, as he had initially claimed.
航空航天供应链咨询机构AeroDynamic Advisory管理董事凯文·迈克尔斯表示，虽然目前钇供应紧张尚未对发动机总装造成打击，但制造商依然高度警惕。“这已经成为一个需要重点监控的项目，也是中国展示其在稀土领域影响力的一个具体例子。”他说。