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BNC: 41724 COCA: 26597

a hard, yellow-brown chemical element used in nuclear reactors to absorb neutrons and in various compounds that are important in manufacturing硼(一种非金属化学元素,质硬,黄褐色,用于核反应堆中以吸收中子;其化合物在制造业中非常重要)

BNC: 41724 COCA: 26597
BNC: 41724 COCA: 26597
BNC: 41724 COCA: 26597
boron
Chemical elements:actinium, alkali metal, americium...

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