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qq360504338:先看看是不是螺丝松了 (2024-02-12 18:27)
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jamo01:轴承间隙有点大,先松曲柄螺丝,轴心的大螺丝上紧增加轴向压力,然后再锁紧2颗小螺丝 (2024-02-12 19:05)
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