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(dāo )()(de )()(huà ):6(huà )

dāo

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(qīng )(de )(tóng )(wèi )()(zhī )()()(hào )(gāng )(huò )D[(xīn )()deuterium]。(zhì )(liàng )(shù )(wéi )2,()()((dāo )())(néng )(cān )()()(duō )()(fǎn )(yīng )

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