5519| 12
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拉簧在振動(dòng)試驗(yàn)中經(jīng)常斷,求助 |
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點(diǎn)評(píng)
這個(gè)不需要掛鉤的,也不存在折彎,。直接把彈簧卷套兩較圈在4樓圖上的掛片上,。具體用法請(qǐng)參考米思米樣品。
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