3232| 10
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最小軸徑 |
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點(diǎn)評(píng)
計(jì)算有明晰的公式邏輯,而你所謂的調(diào)質(zhì)增加什么,有數(shù)據(jù)支持嗎,為公式支持嗎
調(diào)質(zhì)可以增加軸的力學(xué)性能
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