9511| 7
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彈簧鋼絲直徑與抗拉強(qiáng)度的關(guān)系 |
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點(diǎn)評(píng)
看了,標(biāo)準(zhǔn)里有說明,你對(duì)內(nèi)容沒仔細(xì)看。
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點(diǎn)評(píng)
齒輪毛坯要軸向鍛打,也是使材料流動(dòng)方向呈輻射方向,這樣齒的抗彎強(qiáng)度更高。
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