资讯
目前中国已开始向欧美汽车制造商发放含镝、铽两种受限稀土的磁铁出口许可,这类用于刹车和转向系统的磁铁可耐受临近汽油发动机的温度,但无法满足军用级别的高温需求。然而,目前没有迹象表明中国已批准钐的出口,因为钐的民用应用很少。
China’s Dragon Boat Festival is expected to see a surge in short-haul and cultural tourism; Chinese premier pledges stronger ...
JERUSALEM, April 25 (Xinhua) -- The Israel Defense Forces (IDF) said on Friday that its Air Force had received three new F-35i stealth fighter jets. According to an IDF statement, the three jets ...
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