7346| 6
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有材料屈服強(qiáng)度能達(dá)到1500MPa以上的嗎 |
點(diǎn)評(píng)
百度查了下,82b好像是鋼絲。
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點(diǎn)評(píng)
百度查了一下,有些彈簧鋼的抗拉強(qiáng)度和屈服強(qiáng)度是很高。
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