帕特尔指出，“美国目前国内钪产量为零，也没有在中国以外已经投产运转的替代来源”，现有库存恐怕以“月”为单位计算，而非“年”。
Redux(23 mentions)，更多细节参见WPS下载最新地址
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Afghanistan's Taliban government has military equipment left behind by the former Afghan and foreign forces. And despite sanctions, reports suggest it has been able to purchase some military equipment through the black market.