The US Department of the Interior has added copper, silver and metallurgical coal to its list of “critical minerals”, increasing the likelihood that these materials could be included in future tariff policies.
美国内政部(US Department of the Interior)已将铜、银和炼钢用煤纳入其“关键矿产”清单，提高了这些材料未来被纳入关税政策的可能性。
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