高碳钢

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((gāo )(tàn )(gāng )(gāo )(tàn )(gāng ))

(tàn )()(gāng )(de )()(zhǒng )(hán )(tàn )(liàng )(gāo )()0.6%,(zhǔ )(yào )(yòng )()(zhì )(zào )(qiē )(xuē )(gōng )()(děng )()(de )()(diǎn )(shì )(yìng )(ér )(jiào )(cuì )()()(cuì )(huǒ )

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●高碳钢(简体版)

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