The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.
The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.
摘要我国的钽占世界储量的20%，铌占世界储量的1.5%。
The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively.
摘要我国的钽占世界储量的20%，铌占世界储量的1.5%。